![\"\"](\"https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2025\/04\/bulong-iso-4017.jpg\" "\\"\\"")
<\/p>\n\n
\n
\n\u1ee8ng d\u1ee5ng<\/h2>\n
\u1ee8ng d\u1ee5ng<\/h2>\nTi\u00eau chu\u1ea9n ISO 4017 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau khi c\u1ea7n c\u00f3 bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c. M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a ISO 4017 bao g\u1ed3m:<\/div>\n\n- Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4: Bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 \u0111\u1ec3 l\u1eafp r\u00e1p c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9ng c\u01a1, h\u1ed9p s\u1ed1 v\u00e0 h\u1ec7 th\u1ed1ng treo. Ti\u00eau chu\u1ea9n ISO 4017 cung c\u1ea5p c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c bulong n\u00e0y, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<\/li>\n
- Ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5: C\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 y\u00eau c\u1ea7u bulong hi\u1ec7u su\u1ea5t cao c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t. Ti\u00eau chu\u1ea9n ISO 4017 \u0111\u1ea3m b\u1ea3o r\u1eb1ng bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft v\u1ec1 \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/li>\n
- Ng\u00e0nh x\u00e2y d\u1ef1ng: Bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng c\u00e1c k\u1ebft c\u1ea5u kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1ea7u, t\u00f2a nh\u00e0 v\u00e0 c\u00e1c d\u1ef1 \u00e1n c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng. Ti\u00eau chu\u1ea9n ISO 4017 cung c\u1ea5p c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c lo\u1ea1i bulong n\u00e0y, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n k\u1ebft c\u1ea5u kh\u00e1c.<\/li>\n
- M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p: Bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p, ch\u1eb3ng h\u1ea1n nh\u01b0 thi\u1ebft b\u1ecb h\u1ea1ng n\u1eb7ng, m\u00e1y m\u00f3c khai th\u00e1c m\u1ecf v\u00e0 thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t. Ti\u00eau chu\u1ea9n ISO 4017 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c bulong n\u00e0y \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 b\u1ec1n, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<\/li>\n
- \u1ee8ng d\u1ee5ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed: Bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1eafp r\u00e1p b\u1ea3ng m\u1ea1ch v\u00e0 b\u1ea3ng \u0111i\u1ec7n. Ti\u00eau chu\u1ea9n ISO 4017 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c bulong n\u00e0y \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c.<\/li>\n
- <\/li>\n<\/ol>\nT\u00f3m l\u1ea1i, ti\u00eau chu\u1ea9n ISO 4017 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n
\n<\/div>\n\n\n\n\nTh\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n ISO 4017<\/h2>\nK\u00edch th\u01b0\u1edbc<\/h3>\n\n\n\n![\"\"](\"https:\/\/nanotechvietnam.com\/wp-content\/uploads\/2025\/04\/ban-ve-4017-600x478.jpg\" "\\"\\"")
<\/div>\n<\/div>\n\n\n\n\n\n\n\nNominal Size
\nand Pitch<\/th>\n Width Across Flat,
\ns<\/th>\n Width Across Corner,
\ne<\/th>\n Head Thickness,
\nk<\/th>\n Minimum Fillet
\nRadius, r<\/th>\n<\/tr>\n \nMin.<\/th>\n Max.<\/th>\n Min.<\/th>\n Grade A<\/th>\n Grade B<\/th>\n<\/tr>\n \nGrade A<\/th>\n Grade B<\/th>\n Grade A<\/th>\n Grade B<\/th>\n Min.<\/th>\n Max.<\/th>\n Min.<\/th>\n Max.<\/th>\n<\/tr>\n<\/thead>\n \n\nM5 x 0.8<\/td>\n 7.78<\/td>\n 7.64<\/td>\n 8<\/td>\n 8.79<\/td>\n 8.63<\/td>\n 3.35<\/td>\n 3.65<\/td>\n 3.26<\/td>\n 3.74<\/td>\n 0.2<\/td>\n<\/tr>\n \nM6 x 1<\/td>\n 9.78<\/td>\n 9.64<\/td>\n 10<\/td>\n 11.05<\/td>\n 10.89<\/td>\n 3.85<\/td>\n 4.15<\/td>\n 3.76<\/td>\n 4.24<\/td>\n 0.25<\/td>\n<\/tr>\n \nM8 x 1.25<\/td>\n 12.73<\/td>\n 12.57<\/td>\n 13<\/td>\n 14.38<\/td>\n 14.2<\/td>\n 5.15<\/td>\n 5.45<\/td>\n 5.06<\/td>\n 5.54<\/td>\n 0.4<\/td>\n<\/tr>\n \nM10 x 1.5<\/td>\n 15.73<\/td>\n 15.57<\/td>\n 16<\/td>\n 17.77<\/td>\n 17.59<\/td>\n 6.22<\/td>\n 6.58<\/td>\n 6.11<\/td>\n 6.69<\/td>\n 0.4<\/td>\n<\/tr>\n \nM12 x 1.75<\/td>\n 17.73<\/td>\n 17.57<\/td>\n 18<\/td>\n 20.03<\/td>\n 19.85<\/td>\n 7.32<\/td>\n 7.68<\/td>\n 7.21<\/td>\n 7.79<\/td>\n 0.6<\/td>\n<\/tr>\n \nM16 x 2<\/td>\n 23.67<\/td>\n 23.16<\/td>\n 24<\/td>\n 26.75<\/td>\n 26.17<\/td>\n 9.82<\/td>\n 10.18<\/td>\n 9.71<\/td>\n 10.29<\/td>\n 0.6<\/td>\n<\/tr>\n \nM20 x 2.5<\/td>\n 29.67<\/td>\n 29.16<\/td>\n 30<\/td>\n 33.53<\/td>\n 32.95<\/td>\n 12.28<\/td>\n 12.72<\/td>\n 12.15<\/td>\n 12.85<\/td>\n 0.8<\/td>\n<\/tr>\n \nM24 x 3<\/td>\n 35.38<\/td>\n 35<\/td>\n 36<\/td>\n 39.98<\/td>\n 39.55<\/td>\n 14.78<\/td>\n 15.22<\/td>\n 14.65<\/td>\n 15.35<\/td>\n 0.8<\/td>\n<\/tr>\n \nM30 x 3.5<\/td>\n \u2013<\/td>\n 45<\/td>\n 46<\/td>\n \u2013<\/td>\n 50.85<\/td>\n \u2013<\/td>\n \u2013<\/td>\n 18.28<\/td>\n 19.12<\/td>\n 1.0<\/td>\n<\/tr>\n \nM36 x 4<\/td>\n \u2013<\/td>\n 53.80<\/td>\n 55<\/td>\n \u2013<\/td>\n 60.79<\/td>\n \u2013<\/td>\n \u2013<\/td>\n 22.08<\/td>\n 22.92<\/td>\n 1.0<\/td>\n<\/tr>\n \nM42 x 4.5<\/td>\n \u2013<\/td>\n 63.1<\/td>\n 65<\/td>\n \u2013<\/td>\n 71.3<\/td>\n \u2013<\/td>\n \u2013<\/td>\n 25.58<\/td>\n 26.42<\/td>\n 1.2<\/td>\n<\/tr>\n \nM48 x 5<\/td>\n \u2013<\/td>\n 73.1<\/td>\n 75<\/td>\n \u2013<\/td>\n 82.6<\/td>\n \u2013<\/td>\n \u2013<\/td>\n 29.58<\/td>\n 30.42<\/td>\n 1.6<\/td>\n<\/tr>\n \nM56 x 5.5<\/td>\n \u2013<\/td>\n 82.8<\/td>\n 85<\/td>\n \u2013<\/td>\n 93.56<\/td>\n \u2013<\/td>\n \u2013<\/td>\n 34.5<\/td>\n 35.5<\/td>\n 2<\/td>\n<\/tr>\n \nM64 x 6<\/td>\n \u2013<\/td>\n 92.8<\/td>\n 95<\/td>\n \u2013<\/td>\n 104.86<\/td>\n \u2013<\/td>\n \u2013<\/td>\n 39.5<\/td>\n 40.5<\/td>\n 2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n\n\n\nH\u00f3a h\u1ecdc<\/h3>\n
\n\n\nProperty Class<\/th>\n Material and heat treatment<\/th>\n Chemical Composition Limit
\n(cast analysis, %)<\/th>\n Tempering
\nTemp, \u00baC, min<\/th>\n<\/tr>\n \nC<\/th>\n P, max<\/th>\n S, max<\/th>\n B, max<\/th>\n<\/tr>\n<\/thead>\n \n\n4.6<\/td>\n Carbon steel or carbon steel with additives<\/td>\n 0.55 max<\/td>\n 0.05<\/td>\n 0.06<\/td>\n Not specified<\/td>\n \u2013<\/td>\n<\/tr>\n \n4.8<\/td>\n<\/tr>\n \n5.6<\/td>\n 0.13 \u2013 0.55<\/td>\n<\/tr>\n \n5.8<\/td>\n 0.55 max<\/td>\n<\/tr>\n \n6.8<\/td>\n 0.15 \u2013 0.55<\/td>\n<\/tr>\n \n8.8<\/td>\n Carbon steel with additives (e.g. Boron or Mn or Cr)
\nquenched and tempered<\/td>\n 0.15 \u2013 0.40<\/td>\n 0.025<\/td>\n 0.025<\/td>\n 0.003<\/td>\n 425<\/td>\n<\/tr>\n \nCarbon steel quenched and tempered<\/td>\n 0.25 \u2013 0.55<\/td>\n<\/tr>\n \nAlloy steel quenched and tempered<\/td>\n 0.20 \u2013 0.55<\/td>\n<\/tr>\n \n9.8<\/td>\n Carbon steel with additives (e.g. Boron or Mn or Cr)
\nquenched and tempered<\/td>\n 0.15 \u2013 0.40<\/td>\n 0.025<\/td>\n 0.025<\/td>\n 0.003<\/td>\n 425<\/td>\n<\/tr>\n \nCarbon steel quenched and tempered<\/td>\n 0.25 \u2013 0.55<\/td>\n<\/tr>\n \nAlloy steel quenched and tempered<\/td>\n 0.20 \u2013 0.55<\/td>\n<\/tr>\n \n10.9<\/td>\n Carbon steel with additives (e.g. Boron or Mn or Cr)
\nquenched and tempered<\/td>\n 0.20 \u2013 0.55<\/td>\n 0.025<\/td>\n 0.025<\/td>\n 0.003<\/td>\n 425<\/td>\n<\/tr>\n \nCarbon steel quenched and tempered<\/td>\n 0.25 \u2013 0.55<\/td>\n<\/tr>\n \nAlloy steel quenched and tempered<\/td>\n 0.20 \u2013 0.55<\/td>\n<\/tr>\n \n12.9<\/td>\n Alloy steel quenched and tempered<\/td>\n 0.30 \u2013 0.50<\/td>\n 0.025<\/td>\n 0.025<\/td>\n 0.003<\/td>\n 425<\/td>\n<\/tr>\n \n12.9<\/td>\n Carbon steel with additives (e.g. Boron or Mn or Cr
\nor Molybdenum) quenched and tempered<\/td>\n 0.28 \u2013 0.50<\/td>\n 0.025<\/td>\n 0.025<\/td>\n 0.003<\/td>\n 380<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n\n\n\nC\u01a1 t\u00ednh<\/h3>\nMechanical Property<\/h4>\n
\n\n\nMechanical Property<\/th>\n Property Class<\/th>\n<\/tr>\n \n4.6<\/th>\n 4.8<\/th>\n 5.6<\/th>\n 5.8<\/th>\n 6.8<\/th>\n 8.8<\/th>\n 9.8
\nM16 and under<\/th>\n 10.9<\/th>\n 12.9\/
\n12.9<\/th>\n<\/tr>\n \nM16 and
\nunder<\/th>\n Over M16<\/th>\n<\/tr>\n<\/thead>\n \n\nTensile strength, Rm, MPa<\/td>\n nom.<\/td>\n 400<\/td>\n 500<\/td>\n 600<\/td>\n 800<\/td>\n 900<\/td>\n 1000<\/td>\n 1200<\/td>\n<\/tr>\n \nmin.<\/td>\n 400<\/td>\n 420<\/td>\n 500<\/td>\n 520<\/td>\n 600<\/td>\n 800<\/td>\n 830<\/td>\n 900<\/td>\n 1040<\/td>\n 1220<\/td>\n<\/tr>\n \nLower yield strength, ReL, MPa<\/td>\n nom.<\/td>\n 240<\/td>\n \u2014<\/td>\n 300<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n<\/tr>\n \nmin.<\/td>\n 240<\/td>\n \u2014<\/td>\n 300<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n<\/tr>\n \nStress at 0,2 % non-proportional
\nelongation, Rp0,2, MPa<\/td>\n nom.<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n 640<\/td>\n 640<\/td>\n 720<\/td>\n 900<\/td>\n 1080<\/td>\n<\/tr>\n \nmin.<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n 640<\/td>\n 660<\/td>\n 720<\/td>\n 940<\/td>\n 1100<\/td>\n<\/tr>\n \nStress at 0,0048 d non-proportional
\nelongation for full-size fasteners, Rpf, MPa<\/td>\n nom.<\/td>\n \u2014<\/td>\n 320<\/td>\n \u2014<\/td>\n 400<\/td>\n 480<\/td>\n \u2014<\/td>\n<\/tr>\n \nmin.<\/td>\n \u2014<\/td>\n 340<\/td>\n \u2014<\/td>\n 420<\/td>\n 480<\/td>\n \u2014<\/td>\n<\/tr>\n \nStress under proof load, Sp, MPa<\/td>\n nom.<\/td>\n 225<\/td>\n 310<\/td>\n 280<\/td>\n 380<\/td>\n 440<\/td>\n 440<\/td>\n 600<\/td>\n 650<\/td>\n 830<\/td>\n 970<\/td>\n<\/tr>\n \nProof strength ratio<\/td>\n Sp,nom\/ReL min
\nSp,nom\/Rp0,2 min
\nSp,nom\/Rpf min<\/td>\n 0,94<\/td>\n 0,91<\/td>\n 0,93<\/td>\n 0,90<\/td>\n 0,92<\/td>\n 0,91<\/td>\n 0,91<\/td>\n 0,90<\/td>\n 0,88<\/td>\n 0,88<\/td>\n<\/tr>\n \nPercentage elongation after fracture for
\nmachined test pieces, A, %<\/td>\n min.<\/td>\n 22<\/td>\n \u2014<\/td>\n 20<\/td>\n \u2014<\/td>\n \u2014<\/td>\n 12<\/td>\n 12<\/td>\n 10<\/td>\n 9<\/td>\n 8<\/td>\n<\/tr>\n \nPercentage reduction of area after fracture for
\nmachined test pieces, Z, %<\/td>\n min.<\/td>\n \u2014<\/td>\n 52<\/td>\n 48<\/td>\n 48<\/td>\n 44<\/td>\n<\/tr>\n \nElongation after fracture for full-size
\nfasteners, Af<\/td>\n min.<\/td>\n \u2014<\/td>\n 0,24<\/td>\n \u2014<\/td>\n 0,22<\/td>\n 0,20<\/td>\n \u2014<\/td>\n<\/tr>\n \nHead soundness<\/td>\n No fracture<\/td>\n<\/tr>\n \nVickers hardness,
\nHV F \u2265 98 N<\/td>\n min.<\/td>\n 120<\/td>\n 130<\/td>\n 155<\/td>\n 160<\/td>\n 190<\/td>\n 250<\/td>\n 255<\/td>\n 290<\/td>\n 320<\/td>\n 385<\/td>\n<\/tr>\n \nmax.<\/td>\n 220<\/td>\n 250<\/td>\n 320<\/td>\n 335<\/td>\n 360<\/td>\n 380<\/td>\n 435<\/td>\n<\/tr>\n \nBrinell hardness, HBW
\nF = 30 D2<\/td>\n min.<\/td>\n 114<\/td>\n 124<\/td>\n 147<\/td>\n 152<\/td>\n 181<\/td>\n 238<\/td>\n 242<\/td>\n 276<\/td>\n 304<\/td>\n 304<\/td>\n<\/tr>\n \nmax.<\/td>\n 209<\/td>\n 238<\/td>\n 304<\/td>\n 318<\/td>\n 342<\/td>\n 361<\/td>\n 414<\/td>\n<\/tr>\n \nRockwell hardness, HRB<\/td>\n min.<\/td>\n 67<\/td>\n 71<\/td>\n 79<\/td>\n 82<\/td>\n 89<\/td>\n \u2014<\/td>\n<\/tr>\n \nmax.<\/td>\n 95,0<\/td>\n 89<\/td>\n \u2014<\/td>\n<\/tr>\n \nRockwell hardness, HRC<\/td>\n min.<\/td>\n \u2014<\/td>\n 22<\/td>\n 23<\/td>\n 23<\/td>\n 32<\/td>\n 39<\/td>\n<\/tr>\n \nmax.<\/td>\n \u2014<\/td>\n 32<\/td>\n 34<\/td>\n 37<\/td>\n 39<\/td>\n 44<\/td>\n<\/tr>\n \nSurface hardness, HV 0,3<\/td>\n max.<\/td>\n \u2014<\/td>\n (1)<\/td>\n (1),(2)<\/td>\n (1).(3)<\/td>\n<\/tr>\n \nHeight of non-decarburized thread zone,
\nE, mm<\/td>\n min.<\/td>\n \u2014<\/td>\n 1\/2 H1<\/td>\n 2\/3 H1<\/td>\n 3\/4 H1<\/td>\n<\/tr>\n \nDepth of complete decarburization
\nin the thread, G, mm<\/td>\n max.<\/td>\n \u2014<\/td>\n 0,015<\/td>\n<\/tr>\n \nReduction of hardness after retempering, HV<\/td>\n max.<\/td>\n \u2014<\/td>\n 20<\/td>\n<\/tr>\n \nBreaking torque, MB, N\u22c5m<\/td>\n min.<\/td>\n \u2014<\/td>\n in accordance with ISO 898-7<\/td>\n<\/tr>\n \nImpact strength, KV, J<\/td>\n min.<\/td>\n \u2014<\/td>\n 27<\/td>\n \u2014<\/td>\n 27<\/td>\n (4)<\/td>\n<\/tr>\n \nSurface integrity in accordance with<\/td>\n ISO 6157-1<\/td>\n ISO 6157-3<\/td>\n<\/tr>\n \n(1) Surface hardness shall not be more than 30 Vickers points above the measured core hardness of the fastener when determination of both surface hardness
\nand core hardness are carried out with HV 0,3.
\n(2) Any increase in hardness at the surface which indicates that the surface hardness exceeds 390 HV is not acceptable.
\n(3) Any increase in hardness at the surface which indicates that the surface hardness exceeds 435 HV is not acceptable.
\n(4) Value for KV is under investigation.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nProof Load<\/h4>\n
\n\n\nThread
\nd<\/th>\n Nominal stress area
\nAs, nom, mm2<\/th>\n Property class<\/th>\n<\/tr>\n \n4.6<\/th>\n 4.8<\/th>\n 5.6<\/th>\n 5.8<\/th>\n 6.8<\/th>\n 8.8<\/th>\n 9.8<\/th>\n 9.8<\/th>\n 12.9\/12.9<\/th>\n<\/tr>\n \nProof load, Fp (As,nom \u00d7 Sp,nom), N<\/th>\n<\/tr>\n<\/thead>\n \n\nM12<\/td>\n 84,3<\/td>\n 19 000<\/td>\n 26 100<\/td>\n 23 600<\/td>\n 32 000<\/td>\n 37 100<\/td>\n 48 900<\/td>\n 54 800<\/td>\n 70 000<\/td>\n 81 800<\/td>\n<\/tr>\n \nM16<\/td>\n 157<\/td>\n 35 300<\/td>\n 48 700<\/td>\n 44 000<\/td>\n 59 700<\/td>\n 69 100<\/td>\n 91 000<\/td>\n 102 000<\/td>\n 130 000<\/td>\n 152 000<\/td>\n<\/tr>\n \nM20<\/td>\n 245<\/td>\n 55 100<\/td>\n 76 000<\/td>\n 68 600<\/td>\n 93 100<\/td>\n 108 000<\/td>\n 147 000<\/td>\n \u2014<\/td>\n 203 000<\/td>\n 238 000<\/td>\n<\/tr>\n \nM22<\/td>\n 303<\/td>\n 68 200<\/td>\n 93 900<\/td>\n 84 800<\/td>\n 115 000<\/td>\n 133 000<\/td>\n 182 000<\/td>\n \u2014<\/td>\n 252 000<\/td>\n 294 000<\/td>\n<\/tr>\n \nM24<\/td>\n 353<\/td>\n 79 400<\/td>\n 109 000<\/td>\n 98 800<\/td>\n 134 000<\/td>\n 155 000<\/td>\n 212 000<\/td>\n \u2014<\/td>\n 293 000<\/td>\n 342 000<\/td>\n<\/tr>\n \nM27<\/td>\n 459<\/td>\n 103 000<\/td>\n 142 000<\/td>\n 128 000<\/td>\n 174 000<\/td>\n 202 000<\/td>\n 275 000<\/td>\n \u2014<\/td>\n 381 000<\/td>\n 445 000<\/td>\n<\/tr>\n \nM30<\/td>\n 561<\/td>\n 126 000<\/td>\n 174 000<\/td>\n 157 000<\/td>\n 213 000<\/td>\n 247 000<\/td>\n 337 000<\/td>\n \u2014<\/td>\n 466 000<\/td>\n 544 000<\/td>\n<\/tr>\n \nM33<\/td>\n 694<\/td>\n 156 000<\/td>\n 215 000<\/td>\n 194 000<\/td>\n 264 000<\/td>\n 305 000<\/td>\n 416 000<\/td>\n \u2014<\/td>\n 576 000<\/td>\n 673 000<\/td>\n<\/tr>\n \nM36<\/td>\n 817<\/td>\n 184 000<\/td>\n 253 000<\/td>\n 229 000<\/td>\n 310 000<\/td>\n 359 000<\/td>\n 490 000<\/td>\n \u2014<\/td>\n 678 000<\/td>\n 792 000<\/td>\n<\/tr>\n \nM39<\/td>\n 976<\/td>\n 220 000<\/td>\n 303 000<\/td>\n 273 000<\/td>\n 371 000<\/td>\n 429 000<\/td>\n 586 000<\/td>\n \u2014<\/td>\n 810 000<\/td>\n 947 000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nTensile Load<\/h4>\n
\n\n\nThread
\nd<\/th>\n Nominal stress area
\nAs, nom, mm2<\/th>\n Property class<\/th>\n<\/tr>\n \n4.6<\/th>\n 4.8<\/th>\n 5.6<\/th>\n 5.8<\/th>\n 6.8<\/th>\n 8.8<\/th>\n 9.8<\/th>\n 9.8<\/th>\n 12.9\/12.9<\/th>\n<\/tr>\n \nMinimum ultimate tensile load, Fm min (As, nom \u00d7 Rm, min), N<\/th>\n<\/tr>\n<\/thead>\n \n\nM12<\/td>\n 84,3<\/td>\n 33 700<\/td>\n 35 400<\/td>\n 42 200<\/td>\n 43 800<\/td>\n 50 600<\/td>\n 67 400<\/td>\n 75 900<\/td>\n 87 700<\/td>\n 103 000<\/td>\n<\/tr>\n \nM16<\/td>\n 157<\/td>\n 62 800<\/td>\n 65 900<\/td>\n 78 500<\/td>\n 81 600<\/td>\n 94 000<\/td>\n 125 000<\/td>\n 141 000<\/td>\n 163 000<\/td>\n 192 000<\/td>\n<\/tr>\n \nM20<\/td>\n 245<\/td>\n 98 000<\/td>\n 103 000<\/td>\n 122 000<\/td>\n 127 000<\/td>\n 147 000<\/td>\n 203 000<\/td>\n \u2014<\/td>\n 255 000<\/td>\n 299 000<\/td>\n<\/tr>\n \nM22<\/td>\n 303<\/td>\n 121 000<\/td>\n 127 000<\/td>\n 152 000<\/td>\n 158 000<\/td>\n 182 000<\/td>\n 252 000<\/td>\n \u2014<\/td>\n 315 000<\/td>\n 370 000<\/td>\n<\/tr>\n \nM24<\/td>\n 353<\/td>\n 141 000<\/td>\n 148 000<\/td>\n 176 000<\/td>\n 184 000<\/td>\n 212 000<\/td>\n 293 000<\/td>\n \u2014<\/td>\n 367 000<\/td>\n 431 000<\/td>\n<\/tr>\n \nM27<\/td>\n 459<\/td>\n 184 000<\/td>\n 193 000<\/td>\n 230 000<\/td>\n 239 000<\/td>\n 275 000<\/td>\n 381 000<\/td>\n \u2014<\/td>\n 477 000<\/td>\n 560 000<\/td>\n<\/tr>\n \nM30<\/td>\n 561<\/td>\n 224 000<\/td>\n 236 000<\/td>\n 280 000<\/td>\n 292 000<\/td>\n 337 000<\/td>\n 466 000<\/td>\n \u2014<\/td>\n 583 000<\/td>\n 684 000<\/td>\n<\/tr>\n \nM33<\/td>\n 694<\/td>\n 278 000<\/td>\n 292 000<\/td>\n 347 000<\/td>\n 361 000<\/td>\n 416 000<\/td>\n 576 000<\/td>\n \u2014<\/td>\n 722 000<\/td>\n 847 000<\/td>\n<\/tr>\n \nM36<\/td>\n 817<\/td>\n 327 000<\/td>\n 343 000<\/td>\n 408 000<\/td>\n 425 000<\/td>\n 490 000<\/td>\n 678 000<\/td>\n \u2014<\/td>\n 850 000<\/td>\n 997 000<\/td>\n<\/tr>\n \nM39<\/td>\n 976<\/td>\n 390 000<\/td>\n 410 000<\/td>\n 488 000<\/td>\n 508 000<\/td>\n 586 000<\/td>\n 810 000<\/td>\n \u2014<\/td>\n 1 020 000<\/td>\n 1 200 000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nL\u1edbp ph\u1ee7 cho bulong ISO 4017<\/h2>\n
Ti\u00eau chu\u1ea9n ISO 4017 kh\u00f4ng quy \u0111\u1ecbnh b\u1ea5t k\u1ef3 y\u00eau c\u1ea7u l\u1edbp ph\u1ee7 c\u1ee5 th\u1ec3 n\u00e0o \u0111\u1ed1i v\u1edbi bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c. Ti\u00eau chu\u1ea9n ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o k\u00edch th\u01b0\u1edbc, dung sai, b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n, ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m v\u00e0 c\u00e1c y\u00eau c\u1ea7u \u0111\u00e1nh d\u1ea5u \u0111\u1ed1i v\u1edbi bulong.<\/p>\n
Tuy nhi\u00ean, th\u00f4ng th\u01b0\u1eddng ng\u01b0\u1eddi ta \u00e1p d\u1ee5ng m\u1ed9t l\u1edbp ph\u1ee7 cho bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ed9 b\u1ec1n v\u00e0 v\u1ebb ngo\u00e0i th\u1ea9m m\u1ef9 c\u1ee7a ch\u00fang. M\u1ed9t s\u1ed1 l\u1edbp ph\u1ee7 ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c bao g\u1ed3m:<\/p>\n
\n- M\u1ea1 k\u1ebdm: M\u1ea1 k\u1ebdm l\u00e0 l\u1edbp ph\u1ee7 ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c. N\u00f3 cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u1edf c\u00e1c \u0111\u1ed9 d\u00e0y kh\u00e1c nhau \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 mong mu\u1ed1n.<\/li>\n
- M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng: M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng l\u00e0 m\u1ed9t quy tr\u00ecnh ph\u1ee7 li\u00ean quan \u0111\u1ebfn vi\u1ec7c nh\u00fang bulong v\u00e0o b\u1ec3 k\u1ebdm n\u00f3ng ch\u1ea3y. Qu\u00e1 tr\u00ecnh n\u00e0y cung c\u1ea5p m\u1ed9t l\u1edbp ph\u1ee7 d\u00e0y, b\u1ec1n, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi.<\/li>\n
- L\u1edbp ph\u1ee7 oxit \u0111en: L\u1edbp ph\u1ee7 oxit \u0111en l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh h\u00f3a h\u1ecdc b\u1ed5 sung m\u1ed9t l\u1edbp oxit \u0111en l\u00ean b\u1ec1 m\u1eb7t bulong. L\u1edbp ph\u1ee7 n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n h\u1ea1n ch\u1ebf nh\u01b0ng ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho v\u1ebb ngo\u00e0i th\u1ea9m m\u1ef9 c\u1ee7a n\u00f3.<\/li>\n
- M\u1ea1 niken \u0111i\u1ec7n ph\u00e2n: M\u1ea1 niken \u0111i\u1ec7n ph\u00e2n l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng m\u1ed9t l\u1edbp niken l\u00ean b\u1ec1 m\u1eb7t c\u1ee7a bulong. L\u1edbp ph\u1ee7 n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi.<\/li>\n
- <\/li>\n<\/ol>\n
T\u00f3m l\u1ea1i, m\u1eb7c d\u00f9 ti\u00eau chu\u1ea9n ISO 4017 kh\u00f4ng ch\u1ec9 \u0111\u1ecbnh b\u1ea5t k\u1ef3 y\u00eau c\u1ea7u s\u01a1n ph\u1ee7 c\u1ee5 th\u1ec3 n\u00e0o \u0111\u1ed1i v\u1edbi bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c, nh\u01b0ng th\u00f4ng th\u01b0\u1eddng ng\u01b0\u1eddi ta \u00e1p d\u1ee5ng m\u1ed9t l\u1edbp s\u01a1n ph\u1ee7 \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ed9 b\u1ec1n v\u00e0 v\u1ebb ngo\u00e0i th\u1ea9m m\u1ef9 c\u1ee7a ch\u00fang. Vi\u1ec7c l\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"
ISO 4017 l\u00e0 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf cung c\u1ea5p c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c c\u00f3 ren to\u00e0n th\u00e2n. Ph\u1ea1m vi c\u1ee7a ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho bulong c\u00f3 ren t\u1eeb M1.6 tr\u1edf l\u00ean v\u00e0 bao g\u1ed3m c\u1ea3 M64, \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u00e9p carbon ho\u1eb7c th\u00e9p h\u1ee3p kim, v\u1edbi ren b\u01b0\u1edbc th\u00f4 ho\u1eb7c ren m\u1ecbn v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i thi\u1ec3u l\u00e0 800 MPa.<\/p>\n","protected":false},"featured_media":4914,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[211,207],"product_tag":[],"_links":{"self":[{"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/product\/4913"}],"collection":[{"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=4913"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/media\/4914"}],"wp:attachment":[{"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=4913"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/product_cat?post=4913"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/product_tag?post=4913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
- \n
- Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4: Bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 \u0111\u1ec3 l\u1eafp r\u00e1p c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9ng c\u01a1, h\u1ed9p s\u1ed1 v\u00e0 h\u1ec7 th\u1ed1ng treo. Ti\u00eau chu\u1ea9n ISO 4017 cung c\u1ea5p c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c bulong n\u00e0y, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<\/li>\n
- Ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5: C\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 y\u00eau c\u1ea7u bulong hi\u1ec7u su\u1ea5t cao c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t. Ti\u00eau chu\u1ea9n ISO 4017 \u0111\u1ea3m b\u1ea3o r\u1eb1ng bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft v\u1ec1 \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/li>\n
- Ng\u00e0nh x\u00e2y d\u1ef1ng: Bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng c\u00e1c k\u1ebft c\u1ea5u kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1ea7u, t\u00f2a nh\u00e0 v\u00e0 c\u00e1c d\u1ef1 \u00e1n c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng. Ti\u00eau chu\u1ea9n ISO 4017 cung c\u1ea5p c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c lo\u1ea1i bulong n\u00e0y, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n k\u1ebft c\u1ea5u kh\u00e1c.<\/li>\n
- M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p: Bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p, ch\u1eb3ng h\u1ea1n nh\u01b0 thi\u1ebft b\u1ecb h\u1ea1ng n\u1eb7ng, m\u00e1y m\u00f3c khai th\u00e1c m\u1ecf v\u00e0 thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t. Ti\u00eau chu\u1ea9n ISO 4017 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c bulong n\u00e0y \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 b\u1ec1n, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<\/li>\n
- \u1ee8ng d\u1ee5ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed: Bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1eafp r\u00e1p b\u1ea3ng m\u1ea1ch v\u00e0 b\u1ea3ng \u0111i\u1ec7n. Ti\u00eau chu\u1ea9n ISO 4017 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c bulong n\u00e0y \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c.<\/li>\n
- <\/li>\n<\/ol>\nT\u00f3m l\u1ea1i, ti\u00eau chu\u1ea9n ISO 4017 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n
\n <\/div>\n\n\n\n\nTh\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n ISO 4017<\/h2>\n
K\u00edch th\u01b0\u1edbc<\/h3>\n
\n\n\n<\/div>\n<\/div>\n\n\n\n\n\n\n
\n Nominal Size
\nand Pitch<\/th>\nWidth Across Flat,
\ns<\/th>\nWidth Across Corner,
\ne<\/th>\nHead Thickness,
\nk<\/th>\nMinimum Fillet
\nRadius, r<\/th>\n<\/tr>\n\n Min.<\/th>\n Max.<\/th>\n Min.<\/th>\n Grade A<\/th>\n Grade B<\/th>\n<\/tr>\n \n \nGrade A<\/th>\n Grade B<\/th>\n Grade A<\/th>\n Grade B<\/th>\n Min.<\/th>\n Max.<\/th>\n Min.<\/th>\n Max.<\/th>\n<\/tr>\n<\/thead>\n \n M5 x 0.8<\/td>\n 7.78<\/td>\n 7.64<\/td>\n 8<\/td>\n 8.79<\/td>\n 8.63<\/td>\n 3.35<\/td>\n 3.65<\/td>\n 3.26<\/td>\n 3.74<\/td>\n 0.2<\/td>\n<\/tr>\n \n M6 x 1<\/td>\n 9.78<\/td>\n 9.64<\/td>\n 10<\/td>\n 11.05<\/td>\n 10.89<\/td>\n 3.85<\/td>\n 4.15<\/td>\n 3.76<\/td>\n 4.24<\/td>\n 0.25<\/td>\n<\/tr>\n \n M8 x 1.25<\/td>\n 12.73<\/td>\n 12.57<\/td>\n 13<\/td>\n 14.38<\/td>\n 14.2<\/td>\n 5.15<\/td>\n 5.45<\/td>\n 5.06<\/td>\n 5.54<\/td>\n 0.4<\/td>\n<\/tr>\n \n M10 x 1.5<\/td>\n 15.73<\/td>\n 15.57<\/td>\n 16<\/td>\n 17.77<\/td>\n 17.59<\/td>\n 6.22<\/td>\n 6.58<\/td>\n 6.11<\/td>\n 6.69<\/td>\n 0.4<\/td>\n<\/tr>\n \n M12 x 1.75<\/td>\n 17.73<\/td>\n 17.57<\/td>\n 18<\/td>\n 20.03<\/td>\n 19.85<\/td>\n 7.32<\/td>\n 7.68<\/td>\n 7.21<\/td>\n 7.79<\/td>\n 0.6<\/td>\n<\/tr>\n \n M16 x 2<\/td>\n 23.67<\/td>\n 23.16<\/td>\n 24<\/td>\n 26.75<\/td>\n 26.17<\/td>\n 9.82<\/td>\n 10.18<\/td>\n 9.71<\/td>\n 10.29<\/td>\n 0.6<\/td>\n<\/tr>\n \n M20 x 2.5<\/td>\n 29.67<\/td>\n 29.16<\/td>\n 30<\/td>\n 33.53<\/td>\n 32.95<\/td>\n 12.28<\/td>\n 12.72<\/td>\n 12.15<\/td>\n 12.85<\/td>\n 0.8<\/td>\n<\/tr>\n \n M24 x 3<\/td>\n 35.38<\/td>\n 35<\/td>\n 36<\/td>\n 39.98<\/td>\n 39.55<\/td>\n 14.78<\/td>\n 15.22<\/td>\n 14.65<\/td>\n 15.35<\/td>\n 0.8<\/td>\n<\/tr>\n \n M30 x 3.5<\/td>\n \u2013<\/td>\n 45<\/td>\n 46<\/td>\n \u2013<\/td>\n 50.85<\/td>\n \u2013<\/td>\n \u2013<\/td>\n 18.28<\/td>\n 19.12<\/td>\n 1.0<\/td>\n<\/tr>\n \n M36 x 4<\/td>\n \u2013<\/td>\n 53.80<\/td>\n 55<\/td>\n \u2013<\/td>\n 60.79<\/td>\n \u2013<\/td>\n \u2013<\/td>\n 22.08<\/td>\n 22.92<\/td>\n 1.0<\/td>\n<\/tr>\n \n M42 x 4.5<\/td>\n \u2013<\/td>\n 63.1<\/td>\n 65<\/td>\n \u2013<\/td>\n 71.3<\/td>\n \u2013<\/td>\n \u2013<\/td>\n 25.58<\/td>\n 26.42<\/td>\n 1.2<\/td>\n<\/tr>\n \n M48 x 5<\/td>\n \u2013<\/td>\n 73.1<\/td>\n 75<\/td>\n \u2013<\/td>\n 82.6<\/td>\n \u2013<\/td>\n \u2013<\/td>\n 29.58<\/td>\n 30.42<\/td>\n 1.6<\/td>\n<\/tr>\n \n M56 x 5.5<\/td>\n \u2013<\/td>\n 82.8<\/td>\n 85<\/td>\n \u2013<\/td>\n 93.56<\/td>\n \u2013<\/td>\n \u2013<\/td>\n 34.5<\/td>\n 35.5<\/td>\n 2<\/td>\n<\/tr>\n \n M64 x 6<\/td>\n \u2013<\/td>\n 92.8<\/td>\n 95<\/td>\n \u2013<\/td>\n 104.86<\/td>\n \u2013<\/td>\n \u2013<\/td>\n 39.5<\/td>\n 40.5<\/td>\n 2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n \n\n\nH\u00f3a h\u1ecdc<\/h3>\n
\n\n
\n Property Class<\/th>\n Material and heat treatment<\/th>\n Chemical Composition Limit
\n(cast analysis, %)<\/th>\nTempering
\nTemp, \u00baC, min<\/th>\n<\/tr>\n\n \nC<\/th>\n P, max<\/th>\n S, max<\/th>\n B, max<\/th>\n<\/tr>\n<\/thead>\n \n 4.6<\/td>\n Carbon steel or carbon steel with additives<\/td>\n 0.55 max<\/td>\n 0.05<\/td>\n 0.06<\/td>\n Not specified<\/td>\n \u2013<\/td>\n<\/tr>\n \n 4.8<\/td>\n<\/tr>\n \n 5.6<\/td>\n 0.13 \u2013 0.55<\/td>\n<\/tr>\n \n 5.8<\/td>\n 0.55 max<\/td>\n<\/tr>\n \n 6.8<\/td>\n 0.15 \u2013 0.55<\/td>\n<\/tr>\n \n 8.8<\/td>\n Carbon steel with additives (e.g. Boron or Mn or Cr)
\nquenched and tempered<\/td>\n0.15 \u2013 0.40<\/td>\n 0.025<\/td>\n 0.025<\/td>\n 0.003<\/td>\n 425<\/td>\n<\/tr>\n \n Carbon steel quenched and tempered<\/td>\n 0.25 \u2013 0.55<\/td>\n<\/tr>\n \n Alloy steel quenched and tempered<\/td>\n 0.20 \u2013 0.55<\/td>\n<\/tr>\n \n 9.8<\/td>\n Carbon steel with additives (e.g. Boron or Mn or Cr)
\nquenched and tempered<\/td>\n0.15 \u2013 0.40<\/td>\n 0.025<\/td>\n 0.025<\/td>\n 0.003<\/td>\n 425<\/td>\n<\/tr>\n \n Carbon steel quenched and tempered<\/td>\n 0.25 \u2013 0.55<\/td>\n<\/tr>\n \n Alloy steel quenched and tempered<\/td>\n 0.20 \u2013 0.55<\/td>\n<\/tr>\n \n 10.9<\/td>\n Carbon steel with additives (e.g. Boron or Mn or Cr)
\nquenched and tempered<\/td>\n0.20 \u2013 0.55<\/td>\n 0.025<\/td>\n 0.025<\/td>\n 0.003<\/td>\n 425<\/td>\n<\/tr>\n \n Carbon steel quenched and tempered<\/td>\n 0.25 \u2013 0.55<\/td>\n<\/tr>\n \n Alloy steel quenched and tempered<\/td>\n 0.20 \u2013 0.55<\/td>\n<\/tr>\n \n 12.9<\/td>\n Alloy steel quenched and tempered<\/td>\n 0.30 \u2013 0.50<\/td>\n 0.025<\/td>\n 0.025<\/td>\n 0.003<\/td>\n 425<\/td>\n<\/tr>\n \n 12.9<\/td>\n Carbon steel with additives (e.g. Boron or Mn or Cr
\nor Molybdenum) quenched and tempered<\/td>\n0.28 \u2013 0.50<\/td>\n 0.025<\/td>\n 0.025<\/td>\n 0.003<\/td>\n 380<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n \n\n\nC\u01a1 t\u00ednh<\/h3>\n
Mechanical Property<\/h4>\n
\n\n
\n Mechanical Property<\/th>\n Property Class<\/th>\n<\/tr>\n \n 4.6<\/th>\n 4.8<\/th>\n 5.6<\/th>\n 5.8<\/th>\n 6.8<\/th>\n 8.8<\/th>\n 9.8
\nM16 and under<\/th>\n10.9<\/th>\n 12.9\/
\n12.9<\/th>\n<\/tr>\n\n \nM16 and
\nunder<\/th>\nOver M16<\/th>\n<\/tr>\n<\/thead>\n \n Tensile strength, Rm, MPa<\/td>\n nom.<\/td>\n 400<\/td>\n 500<\/td>\n 600<\/td>\n 800<\/td>\n 900<\/td>\n 1000<\/td>\n 1200<\/td>\n<\/tr>\n \n min.<\/td>\n 400<\/td>\n 420<\/td>\n 500<\/td>\n 520<\/td>\n 600<\/td>\n 800<\/td>\n 830<\/td>\n 900<\/td>\n 1040<\/td>\n 1220<\/td>\n<\/tr>\n \n Lower yield strength, ReL, MPa<\/td>\n nom.<\/td>\n 240<\/td>\n \u2014<\/td>\n 300<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n<\/tr>\n \n min.<\/td>\n 240<\/td>\n \u2014<\/td>\n 300<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n<\/tr>\n \n Stress at 0,2 % non-proportional
\nelongation, Rp0,2, MPa<\/td>\nnom.<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n 640<\/td>\n 640<\/td>\n 720<\/td>\n 900<\/td>\n 1080<\/td>\n<\/tr>\n \n min.<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n \u2014<\/td>\n 640<\/td>\n 660<\/td>\n 720<\/td>\n 940<\/td>\n 1100<\/td>\n<\/tr>\n \n Stress at 0,0048 d non-proportional
\nelongation for full-size fasteners, Rpf, MPa<\/td>\nnom.<\/td>\n \u2014<\/td>\n 320<\/td>\n \u2014<\/td>\n 400<\/td>\n 480<\/td>\n \u2014<\/td>\n<\/tr>\n \n min.<\/td>\n \u2014<\/td>\n 340<\/td>\n \u2014<\/td>\n 420<\/td>\n 480<\/td>\n \u2014<\/td>\n<\/tr>\n \n Stress under proof load, Sp, MPa<\/td>\n nom.<\/td>\n 225<\/td>\n 310<\/td>\n 280<\/td>\n 380<\/td>\n 440<\/td>\n 440<\/td>\n 600<\/td>\n 650<\/td>\n 830<\/td>\n 970<\/td>\n<\/tr>\n \n Proof strength ratio<\/td>\n Sp,nom\/ReL min
\nSp,nom\/Rp0,2 min
\nSp,nom\/Rpf min<\/td>\n0,94<\/td>\n 0,91<\/td>\n 0,93<\/td>\n 0,90<\/td>\n 0,92<\/td>\n 0,91<\/td>\n 0,91<\/td>\n 0,90<\/td>\n 0,88<\/td>\n 0,88<\/td>\n<\/tr>\n \n Percentage elongation after fracture for
\nmachined test pieces, A, %<\/td>\nmin.<\/td>\n 22<\/td>\n \u2014<\/td>\n 20<\/td>\n \u2014<\/td>\n \u2014<\/td>\n 12<\/td>\n 12<\/td>\n 10<\/td>\n 9<\/td>\n 8<\/td>\n<\/tr>\n \n Percentage reduction of area after fracture for
\nmachined test pieces, Z, %<\/td>\nmin.<\/td>\n \u2014<\/td>\n 52<\/td>\n 48<\/td>\n 48<\/td>\n 44<\/td>\n<\/tr>\n \n Elongation after fracture for full-size
\nfasteners, Af<\/td>\nmin.<\/td>\n \u2014<\/td>\n 0,24<\/td>\n \u2014<\/td>\n 0,22<\/td>\n 0,20<\/td>\n \u2014<\/td>\n<\/tr>\n \n Head soundness<\/td>\n No fracture<\/td>\n<\/tr>\n \n Vickers hardness,
\nHV F \u2265 98 N<\/td>\nmin.<\/td>\n 120<\/td>\n 130<\/td>\n 155<\/td>\n 160<\/td>\n 190<\/td>\n 250<\/td>\n 255<\/td>\n 290<\/td>\n 320<\/td>\n 385<\/td>\n<\/tr>\n \n max.<\/td>\n 220<\/td>\n 250<\/td>\n 320<\/td>\n 335<\/td>\n 360<\/td>\n 380<\/td>\n 435<\/td>\n<\/tr>\n \n Brinell hardness, HBW
\nF = 30 D2<\/td>\nmin.<\/td>\n 114<\/td>\n 124<\/td>\n 147<\/td>\n 152<\/td>\n 181<\/td>\n 238<\/td>\n 242<\/td>\n 276<\/td>\n 304<\/td>\n 304<\/td>\n<\/tr>\n \n max.<\/td>\n 209<\/td>\n 238<\/td>\n 304<\/td>\n 318<\/td>\n 342<\/td>\n 361<\/td>\n 414<\/td>\n<\/tr>\n \n Rockwell hardness, HRB<\/td>\n min.<\/td>\n 67<\/td>\n 71<\/td>\n 79<\/td>\n 82<\/td>\n 89<\/td>\n \u2014<\/td>\n<\/tr>\n \n max.<\/td>\n 95,0<\/td>\n 89<\/td>\n \u2014<\/td>\n<\/tr>\n \n Rockwell hardness, HRC<\/td>\n min.<\/td>\n \u2014<\/td>\n 22<\/td>\n 23<\/td>\n 23<\/td>\n 32<\/td>\n 39<\/td>\n<\/tr>\n \n max.<\/td>\n \u2014<\/td>\n 32<\/td>\n 34<\/td>\n 37<\/td>\n 39<\/td>\n 44<\/td>\n<\/tr>\n \n Surface hardness, HV 0,3<\/td>\n max.<\/td>\n \u2014<\/td>\n (1)<\/td>\n (1),(2)<\/td>\n (1).(3)<\/td>\n<\/tr>\n \n Height of non-decarburized thread zone,
\nE, mm<\/td>\nmin.<\/td>\n \u2014<\/td>\n 1\/2 H1<\/td>\n 2\/3 H1<\/td>\n 3\/4 H1<\/td>\n<\/tr>\n \n Depth of complete decarburization
\nin the thread, G, mm<\/td>\nmax.<\/td>\n \u2014<\/td>\n 0,015<\/td>\n<\/tr>\n \n Reduction of hardness after retempering, HV<\/td>\n max.<\/td>\n \u2014<\/td>\n 20<\/td>\n<\/tr>\n \n Breaking torque, MB, N\u22c5m<\/td>\n min.<\/td>\n \u2014<\/td>\n in accordance with ISO 898-7<\/td>\n<\/tr>\n \n Impact strength, KV, J<\/td>\n min.<\/td>\n \u2014<\/td>\n 27<\/td>\n \u2014<\/td>\n 27<\/td>\n (4)<\/td>\n<\/tr>\n \n Surface integrity in accordance with<\/td>\n ISO 6157-1<\/td>\n ISO 6157-3<\/td>\n<\/tr>\n \n (1) Surface hardness shall not be more than 30 Vickers points above the measured core hardness of the fastener when determination of both surface hardness
\nand core hardness are carried out with HV 0,3.
\n(2) Any increase in hardness at the surface which indicates that the surface hardness exceeds 390 HV is not acceptable.
\n(3) Any increase in hardness at the surface which indicates that the surface hardness exceeds 435 HV is not acceptable.
\n(4) Value for KV is under investigation.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nProof Load<\/h4>\n
\n\n
\n Thread
\nd<\/th>\nNominal stress area
\nAs, nom, mm2<\/th>\nProperty class<\/th>\n<\/tr>\n \n 4.6<\/th>\n 4.8<\/th>\n 5.6<\/th>\n 5.8<\/th>\n 6.8<\/th>\n 8.8<\/th>\n 9.8<\/th>\n 9.8<\/th>\n 12.9\/12.9<\/th>\n<\/tr>\n \n \nProof load, Fp (As,nom \u00d7 Sp,nom), N<\/th>\n<\/tr>\n<\/thead>\n \n M12<\/td>\n 84,3<\/td>\n 19 000<\/td>\n 26 100<\/td>\n 23 600<\/td>\n 32 000<\/td>\n 37 100<\/td>\n 48 900<\/td>\n 54 800<\/td>\n 70 000<\/td>\n 81 800<\/td>\n<\/tr>\n \n M16<\/td>\n 157<\/td>\n 35 300<\/td>\n 48 700<\/td>\n 44 000<\/td>\n 59 700<\/td>\n 69 100<\/td>\n 91 000<\/td>\n 102 000<\/td>\n 130 000<\/td>\n 152 000<\/td>\n<\/tr>\n \n M20<\/td>\n 245<\/td>\n 55 100<\/td>\n 76 000<\/td>\n 68 600<\/td>\n 93 100<\/td>\n 108 000<\/td>\n 147 000<\/td>\n \u2014<\/td>\n 203 000<\/td>\n 238 000<\/td>\n<\/tr>\n \n M22<\/td>\n 303<\/td>\n 68 200<\/td>\n 93 900<\/td>\n 84 800<\/td>\n 115 000<\/td>\n 133 000<\/td>\n 182 000<\/td>\n \u2014<\/td>\n 252 000<\/td>\n 294 000<\/td>\n<\/tr>\n \n M24<\/td>\n 353<\/td>\n 79 400<\/td>\n 109 000<\/td>\n 98 800<\/td>\n 134 000<\/td>\n 155 000<\/td>\n 212 000<\/td>\n \u2014<\/td>\n 293 000<\/td>\n 342 000<\/td>\n<\/tr>\n \n M27<\/td>\n 459<\/td>\n 103 000<\/td>\n 142 000<\/td>\n 128 000<\/td>\n 174 000<\/td>\n 202 000<\/td>\n 275 000<\/td>\n \u2014<\/td>\n 381 000<\/td>\n 445 000<\/td>\n<\/tr>\n \n M30<\/td>\n 561<\/td>\n 126 000<\/td>\n 174 000<\/td>\n 157 000<\/td>\n 213 000<\/td>\n 247 000<\/td>\n 337 000<\/td>\n \u2014<\/td>\n 466 000<\/td>\n 544 000<\/td>\n<\/tr>\n \n M33<\/td>\n 694<\/td>\n 156 000<\/td>\n 215 000<\/td>\n 194 000<\/td>\n 264 000<\/td>\n 305 000<\/td>\n 416 000<\/td>\n \u2014<\/td>\n 576 000<\/td>\n 673 000<\/td>\n<\/tr>\n \n M36<\/td>\n 817<\/td>\n 184 000<\/td>\n 253 000<\/td>\n 229 000<\/td>\n 310 000<\/td>\n 359 000<\/td>\n 490 000<\/td>\n \u2014<\/td>\n 678 000<\/td>\n 792 000<\/td>\n<\/tr>\n \n M39<\/td>\n 976<\/td>\n 220 000<\/td>\n 303 000<\/td>\n 273 000<\/td>\n 371 000<\/td>\n 429 000<\/td>\n 586 000<\/td>\n \u2014<\/td>\n 810 000<\/td>\n 947 000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Tensile Load<\/h4>\n
\n\n
\n Thread
\nd<\/th>\nNominal stress area
\nAs, nom, mm2<\/th>\nProperty class<\/th>\n<\/tr>\n \n 4.6<\/th>\n 4.8<\/th>\n 5.6<\/th>\n 5.8<\/th>\n 6.8<\/th>\n 8.8<\/th>\n 9.8<\/th>\n 9.8<\/th>\n 12.9\/12.9<\/th>\n<\/tr>\n \n \nMinimum ultimate tensile load, Fm min (As, nom \u00d7 Rm, min), N<\/th>\n<\/tr>\n<\/thead>\n \n M12<\/td>\n 84,3<\/td>\n 33 700<\/td>\n 35 400<\/td>\n 42 200<\/td>\n 43 800<\/td>\n 50 600<\/td>\n 67 400<\/td>\n 75 900<\/td>\n 87 700<\/td>\n 103 000<\/td>\n<\/tr>\n \n M16<\/td>\n 157<\/td>\n 62 800<\/td>\n 65 900<\/td>\n 78 500<\/td>\n 81 600<\/td>\n 94 000<\/td>\n 125 000<\/td>\n 141 000<\/td>\n 163 000<\/td>\n 192 000<\/td>\n<\/tr>\n \n M20<\/td>\n 245<\/td>\n 98 000<\/td>\n 103 000<\/td>\n 122 000<\/td>\n 127 000<\/td>\n 147 000<\/td>\n 203 000<\/td>\n \u2014<\/td>\n 255 000<\/td>\n 299 000<\/td>\n<\/tr>\n \n M22<\/td>\n 303<\/td>\n 121 000<\/td>\n 127 000<\/td>\n 152 000<\/td>\n 158 000<\/td>\n 182 000<\/td>\n 252 000<\/td>\n \u2014<\/td>\n 315 000<\/td>\n 370 000<\/td>\n<\/tr>\n \n M24<\/td>\n 353<\/td>\n 141 000<\/td>\n 148 000<\/td>\n 176 000<\/td>\n 184 000<\/td>\n 212 000<\/td>\n 293 000<\/td>\n \u2014<\/td>\n 367 000<\/td>\n 431 000<\/td>\n<\/tr>\n \n M27<\/td>\n 459<\/td>\n 184 000<\/td>\n 193 000<\/td>\n 230 000<\/td>\n 239 000<\/td>\n 275 000<\/td>\n 381 000<\/td>\n \u2014<\/td>\n 477 000<\/td>\n 560 000<\/td>\n<\/tr>\n \n M30<\/td>\n 561<\/td>\n 224 000<\/td>\n 236 000<\/td>\n 280 000<\/td>\n 292 000<\/td>\n 337 000<\/td>\n 466 000<\/td>\n \u2014<\/td>\n 583 000<\/td>\n 684 000<\/td>\n<\/tr>\n \n M33<\/td>\n 694<\/td>\n 278 000<\/td>\n 292 000<\/td>\n 347 000<\/td>\n 361 000<\/td>\n 416 000<\/td>\n 576 000<\/td>\n \u2014<\/td>\n 722 000<\/td>\n 847 000<\/td>\n<\/tr>\n \n M36<\/td>\n 817<\/td>\n 327 000<\/td>\n 343 000<\/td>\n 408 000<\/td>\n 425 000<\/td>\n 490 000<\/td>\n 678 000<\/td>\n \u2014<\/td>\n 850 000<\/td>\n 997 000<\/td>\n<\/tr>\n \n M39<\/td>\n 976<\/td>\n 390 000<\/td>\n 410 000<\/td>\n 488 000<\/td>\n 508 000<\/td>\n 586 000<\/td>\n 810 000<\/td>\n \u2014<\/td>\n 1 020 000<\/td>\n 1 200 000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n L\u1edbp ph\u1ee7 cho bulong ISO 4017<\/h2>\n
Ti\u00eau chu\u1ea9n ISO 4017 kh\u00f4ng quy \u0111\u1ecbnh b\u1ea5t k\u1ef3 y\u00eau c\u1ea7u l\u1edbp ph\u1ee7 c\u1ee5 th\u1ec3 n\u00e0o \u0111\u1ed1i v\u1edbi bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c. Ti\u00eau chu\u1ea9n ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o k\u00edch th\u01b0\u1edbc, dung sai, b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n, ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m v\u00e0 c\u00e1c y\u00eau c\u1ea7u \u0111\u00e1nh d\u1ea5u \u0111\u1ed1i v\u1edbi bulong.<\/p>\n
Tuy nhi\u00ean, th\u00f4ng th\u01b0\u1eddng ng\u01b0\u1eddi ta \u00e1p d\u1ee5ng m\u1ed9t l\u1edbp ph\u1ee7 cho bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ed9 b\u1ec1n v\u00e0 v\u1ebb ngo\u00e0i th\u1ea9m m\u1ef9 c\u1ee7a ch\u00fang. M\u1ed9t s\u1ed1 l\u1edbp ph\u1ee7 ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c bao g\u1ed3m:<\/p>\n
- \n
- M\u1ea1 k\u1ebdm: M\u1ea1 k\u1ebdm l\u00e0 l\u1edbp ph\u1ee7 ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c. N\u00f3 cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u1edf c\u00e1c \u0111\u1ed9 d\u00e0y kh\u00e1c nhau \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7 mong mu\u1ed1n.<\/li>\n
- M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng: M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng l\u00e0 m\u1ed9t quy tr\u00ecnh ph\u1ee7 li\u00ean quan \u0111\u1ebfn vi\u1ec7c nh\u00fang bulong v\u00e0o b\u1ec3 k\u1ebdm n\u00f3ng ch\u1ea3y. Qu\u00e1 tr\u00ecnh n\u00e0y cung c\u1ea5p m\u1ed9t l\u1edbp ph\u1ee7 d\u00e0y, b\u1ec1n, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi.<\/li>\n
- L\u1edbp ph\u1ee7 oxit \u0111en: L\u1edbp ph\u1ee7 oxit \u0111en l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh h\u00f3a h\u1ecdc b\u1ed5 sung m\u1ed9t l\u1edbp oxit \u0111en l\u00ean b\u1ec1 m\u1eb7t bulong. L\u1edbp ph\u1ee7 n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n h\u1ea1n ch\u1ebf nh\u01b0ng ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho v\u1ebb ngo\u00e0i th\u1ea9m m\u1ef9 c\u1ee7a n\u00f3.<\/li>\n
- M\u1ea1 niken \u0111i\u1ec7n ph\u00e2n: M\u1ea1 niken \u0111i\u1ec7n ph\u00e2n l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng m\u1ed9t l\u1edbp niken l\u00ean b\u1ec1 m\u1eb7t c\u1ee7a bulong. L\u1edbp ph\u1ee7 n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n tuy\u1ec7t v\u1eddi.<\/li>\n
- <\/li>\n<\/ol>\n
T\u00f3m l\u1ea1i, m\u1eb7c d\u00f9 ti\u00eau chu\u1ea9n ISO 4017 kh\u00f4ng ch\u1ec9 \u0111\u1ecbnh b\u1ea5t k\u1ef3 y\u00eau c\u1ea7u s\u01a1n ph\u1ee7 c\u1ee5 th\u1ec3 n\u00e0o \u0111\u1ed1i v\u1edbi bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c, nh\u01b0ng th\u00f4ng th\u01b0\u1eddng ng\u01b0\u1eddi ta \u00e1p d\u1ee5ng m\u1ed9t l\u1edbp s\u01a1n ph\u1ee7 \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ed9 b\u1ec1n v\u00e0 v\u1ebb ngo\u00e0i th\u1ea9m m\u1ef9 c\u1ee7a ch\u00fang. Vi\u1ec7c l\u1ef1a ch\u1ecdn l\u1edbp ph\u1ee7 s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"
ISO 4017 l\u00e0 ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf cung c\u1ea5p c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi bulong \u0111\u1ea7u l\u1ee5c gi\u00e1c c\u00f3 ren to\u00e0n th\u00e2n. Ph\u1ea1m vi c\u1ee7a ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho bulong c\u00f3 ren t\u1eeb M1.6 tr\u1edf l\u00ean v\u00e0 bao g\u1ed3m c\u1ea3 M64, \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u00e9p carbon ho\u1eb7c th\u00e9p h\u1ee3p kim, v\u1edbi ren b\u01b0\u1edbc th\u00f4 ho\u1eb7c ren m\u1ecbn v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o t\u1ed1i thi\u1ec3u l\u00e0 800 MPa.<\/p>\n","protected":false},"featured_media":4914,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[211,207],"product_tag":[],"_links":{"self":[{"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/product\/4913"}],"collection":[{"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=4913"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/media\/4914"}],"wp:attachment":[{"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=4913"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/product_cat?post=4913"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/nanotechvietnam.com\/en\/wp-json\/wp\/v2\/product_tag?post=4913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}