宝山钢铁（集团）公司暂行供货技术条件

Q/BQB 370-2003 Q/BQB 370-1999 1 2 GB/T 2221984 GB/T 223 GB/T 2282002 GB/T 2321999 GB/T 2291994 GB/T 29751998 GB/T 4340.11999 GB/T 81701987 GB/T 83631987 GB/T 105611989 GB/T 127781991 YB/T 51481993 Q/BQB 3002003 Q/BQB 3012003 3 1 3.1 1 PSL1 PSL2 3.2 S 175MP 20030604 20031215 379

Q/BQB 3702003 1S415 S 415 MP 2S175 S 175 MP 1 PSL1 PSL2 PSL1 S175 S175 S210S245 S245S290S320S360S390 S290S320S360S390S415S415S450S485S555 S450S485 S175 S175 C0.24% C0.20% S210 CPS S175 S175 P0.030% P0.025% S0.030% S0.015% PSL2 3.3 EM EC 4 ) b) c) d) e) f) g) h) i) PSL1 EM 5 2 Q/BQB 301 380

Q/BQB 3702003 2 1200 12001500 15001800 1800 2.202.50 0.18 0.21 0.23 0.25 2.503.00 0.20 0.22 0.24 0.26 3.004.00 0.22 0.24 0.26 0.27 4.005.00 0.24 0.26 0.28 0.29 5.006.00 0.26 0.28 0.29 0.31 6.008.00 0.29 0.30 0.31 0.35 8.0010.00 0.32 0.33 0.34 0.40 10.0012.50 0.35 0.36 0.37 0.43 12.5015.00 0.37 0.38 0.40 0.46 15.0025.00 0.40 0.42 0.45 0.50 6 6.1 6.1.1 PSL1 3 C 3 PSL1 Si Mn P S S175 0.19 0.35 0.60 0.030 0.030 S175 0.19 0.35 0.60 0.0450.080 0.030 S210 0.20 0.35 0.90 0.030 0.030 S245 0.24 0.35 1.20 0.030 0.030 S290 0.24 0.35 1.30 0.030 0.030 S320 0.24 0.35 1.40 0.030 0.030 S360 0.24 0.35 1.40 0.030 0.030 S390 0.24 0.40 1.40 0.030 0.030 S415 e 0.24 0.40 1.40 0.030 0.030 S450 e 0.24 0.40 1.45 0.030 0.030 S485 e 0.24 0.40 1.65 0.030 0.030 S175 S175 S175 0.01 0.05 S290S360 1.50 S390S450 1.65 S485 2.00 b c d 0.15 e d b,d 381

Q/BQB 3702003 6.1.2 PSL2 4 b c d e 4 PSL2 C Si Mn P S245 0.20 0.35 1.20 0.025 0.015 S290 0.20 0.35 1.30 0.025 0.015 S320 0.20 0.35 1.40 0.025 0.015 S360 0.20 0.35 1.40 0.025 0.015 S390 0.20 0.40 1.40 0.025 0.015 S415 e 0.20 0.40 1.40 0.025 0.015 S450 e 0.20 0.40 1.45 0.025 0.015 S485 e 0.20 0.40 1.65 0.025 0.015 S555 e 0.20 0.40 1.85 0.025 0.015 S 0.01 0.05 S290S360 1.50 S390S450 1.65 S485S555 2.00 0.15 d b,d 6.1.3 S2903 4 6.1.4 S290 3 4 6.1.5 3 4 5 5 C Si Mn P S Nb V Ti +0.02 +0.05 +0.10 0.000 +0.000 +0.01 +0.01 +0.01 6.2 PSL2 6.2.1 PSL2 CE ) C0.12 CEPcm Si Mn Cu Ni Cr Mo V CE Pcm = C + + + + + + + 5B 30 20 20 60 20 15 10 + B 0.001% CEPcm B 0 1 CEPcm Pcm CEPcm Ito-BessyoCEPcm Y.Ito&K.Bessyo 1968.37.(9).938 382

Q/BQB 3702003 b) C0.12 CEIIW Mn Cr + Mo + V Ni + Cu CEIIW = C + + + 6 5 15 2CEIIW Ceq CEIIW 1967 IX53567 6.2.2 PSL2 6 6.2.3 S555 S245S290S320S360 S390S415S450S485 6 PSL2 CE C0.12 CEPcm 0.25 C0.12 CEIIW 0.43 6.3 6.4 6.5 6.5.1 PSL1 7 7 PSL1 R t0.5 MP R m MP L0= S175 175 315 27 S175 175 315 27 S210 210 335 25 S245 245 415 21 S290 290 415 21 S320 320 435 20 S360 360 460 19 S390 390 490 18 S415 415 520 17 S450 450 535 17 S485 485 570 16 S 0 %, b 5.65 L0=50 6.5.4 180 d d2 b 50 38 383

Q/BQB 3702003 6.5.2 PSL2 8 8 PSL2 c %, R t0.5 R m b MP MP L0= 5.65 L0=50 S245 245445 415755 21 40 S290 290495 415755 21 S320 320525 435755 20 S 0 0V J 180 d S360 360530 460755 19 S390 390545 490755 18 6.5.4 42 d2 S415 415565 520755 17 S450 450600 535755 17 47 S485 485620 570755 16 63 S555 555690 625825 15 96 70 d2 b 50 38 c 6.5.3 S290 6.5.4 50 S A50 1956 R 0.2 0 0.9 m A 50 S 0 2 R m,mp A 6.5.5 6 PSL2 101055 8 7.510 55 51055 8 75 50 8 6.5.6 75 75 384

Q/BQB 3702003 6.5.7 V 6.6 6.6.1 6.6.2 6.6.3 7 7.1 7.1.1 S360 1/4 7.1.2 8 8.1 8.2 8.3 9 9 1 1 GB/T 222 GB/T 223 2 1 GB/T 2975 GB/T 228 3 1 GB/T 2975 GB/T 232 4 1 3 GB/T 2975 GB/T 229 5 1 3 GB/T 2975 GB/T 229 GB/T 12778 GB/T 2975 6 GB/T 8363 1/4 7 YB/T 5148 8 GB/T 4340.1 9 GB/T 10561 8.4 8.4.1 8.4.2 :, 385

Q/BQB 3702003 8.5 6.0m 1/4 8.6 8.6.1 8.6.2 8.6.3 9 GB/T 8170 10 10.1 Q/BQB 300 10.2 43.6 10.3 386

Q/BQB 3702003 2 19 25 38 A A.1 S175 S245 S210 S175 S290 S320 S360 S390 S415 S450 S485 S555 46 2.202.59 24 22 19 18 17 16 15 15 14 13 53 2.602.99 2.202.27 24 23 19 18 17 16 16 15 14 13 61 3.003.39 2.282.57 25 24 20 19 18 17 16 16 15 14 68 3.403.79 2.582.87 26 24 20 19 18 17 16 16 15 14 76 3.804.19 2.883.18 26 25 20 20 19 18 17 16 15 14 84 4.204.59 3.193.49 2.202.29 27 25 21 20 19 18 17 17 16 14 91 4.604.99 3.503.79 2.302.49 27 26 21 20 19 18 17 17 16 15 99 5.005.39 3.804.10 2.502.69 28 26 22 21 20 19 18 17 16 15 106 5.405.79 4.114.40 2.702.89 28 27 22 21 20 19 18 17 16 15 114 5.806.19 4.414.70 2.903.09 28 27 22 21 20 19 18 18 17 15 122 6.206.59 4.715.01 3.103.29 29 27 23 22 21 19 18 18 17 16 129 6.606.99 5.025.31 3.303.49 29 28 23 22 21 20 19 18 17 16 137 7.007.39 5.325.62 3.503.69 30 28 23 22 21 20 19 18 17 16 144 7.407.79 5.635.92 3.703.89 30 28 23 22 21 20 19 19 17 16 152 7.808.19 5.936.22 3.904.09 30 29 24 23 21 20 19 19 18 16 160 8.208.59 6.236.53 4.104.29 30 29 24 23 22 20 19 19 18 16 167 8.608.99 6.546.83 4.304.49 31 29 24 23 22 21 20 19 18 17 175 9.009.39 6.847.14 4.504.69 31 29 24 23 22 21 20 19 18 17 182 9.409.79 7.157.44 4.704.89 31 30 24 23 22 21 20 19 18 17 190 9.8010.19 7.457.74 4.905.09 32 30 25 24 22 21 20 20 18 17 198 10.2010.59 7.758.05 5.105.29 32 30 25 24 23 21 20 20 19 17 205 10.6010.99 8.068.35 5.305.49 32 30 25 24 23 22 20 20 19 17 213 11.0011.39 8.368.66 5.505.69 32 31 25 24 23 22 21 20 19 17 220 11.4011.79 8.678.96 5.705.89 32 31 25 24 23 22 21 20 19 18 228 11.8012.19 8.979.26 5.906.09 33 31 26 24 23 22 21 20 19 18 236 12.2012.59 9.279.57 6.106.29 33 31 26 25 23 22 21 20 19 18 243 12.6012.99 9.589.87 6.306.49 33 31 26 25 24 22 21 21 19 18 251 13.0013.39 9.8810.18 6.506.69 33 32 26 25 24 22 21 21 20 18 258 13.4013.79 10.1910.48 6.706.89 34 32 26 25 24 23 21 21 20 18 266 13.8014.19 10.4910.78 6.907.09 34 32 26 25 24 23 21 21 20 18 274 14.2014.59 10.7911.09 7.107.29 34 32 26 25 24 23 22 21 20 18 281 14.6014.89 11.1011.39 7.307.49 34 32 27 25 24 23 22 21 20 18 387

Q/BQB 3702003 2 19 25 38 A.1 S175 S245 S210 S175 S290 S320 S360 S390 S415 S450 S485 S555 289 14.9015.20 11.4011.70 7.507.69 34 32 27 26 24 23 22 21 20 19 296 11.7112.00 7.707.89 34 33 27 26 24 23 22 21 20 19 304 12.0112.30 7.908.09 35 33 27 26 25 23 22 21 20 19 312 12.3112.61 8.108.29 35 33 27 26 25 23 22 22 20 19 319 12.6212.91 8.308.49 35 33 27 26 25 23 22 22 21 19 327 12.9213.22 8.508.69 35 33 27 26 25 24 22 22 21 19 334 13.2313.52 8.708.89 35 33 28 26 25 24 22 22 21 19 342 13.5313.82 8.909.09 35 34 28 27 25 24 23 22 21 19 350 13.8314.13 9.109.29 36 34 28 27 25 24 23 22 21 19 357 14.1414.42 9.309.49 36 34 28 27 25 24 23 22 21 19 365 14.4314.74 9.509.69 36 34 28 27 26 24 23 22 21 19 372 14.7515.03 9.709.89 36 34 28 27 26 24 23 22 21 19 380 15.0415.35 9.9010.09 36 34 28 27 26 24 23 22 21 20 388 15.3615.65 10.1010.29 36 34 28 27 26 24 23 23 21 20 395 15.6615.95 10.3010.49 36 35 28 27 26 25 23 23 21 20 403 15.9616.25 10.5010.69 37 35 29 27 26 25 23 23 21 20 410 16.2616.55 10.7010.89 37 35 29 27 26 25 23 23 22 20 418 16.5616.87 10.9011.09 37 35 29 28 26 25 24 23 22 20 426 16.8817.17 11.1011.29 37 35 29 28 26 25 24 23 22 20 433 17.1817.47 11.3011.49 37 35 29 28 26 25 24 23 22 20 441 17.4817.77 11.5011.69 37 35 29 28 27 25 24 23 22 20 448 17.7818.07 11.7011.89 37 35 29 28 27 25 24 23 22 20 456 18.0818.39 11.9012.09 38 36 29 28 27 25 24 23 22 20 464 18.4018.69 12.1012.29 38 36 29 28 27 25 24 23 22 20 471 18.7019.00 12.3012.49 38 36 29 28 27 25 24 23 22 20 479 19.0119.10 12.5012.69 38 36 30 28 27 25 24 24 22 20 486 12.7012.89 38 36 30 28 27 26 24 24 22 21 494 12.9013.09 38 36 30 29 27 26 24 24 22 21 502 13.1013.29 38 36 30 29 27 26 24 24 22 21 509 13.3013.49 38 36 30 29 27 26 24 24 23 21 517 13.5013.69 39 36 30 29 27 26 25 24 23 21 524 13.7013.89 39 37 30 29 27 26 25 24 23 21 532 14.9014.09 39 37 30 29 28 26 25 24 23 21 540 14.1014.29 39 37 30 29 28 26 25 24 23 21 388

Q/BQB 3702003 2 19 25 38 A.1 S175 S245 S210 S175 S290 S320 S360 S390 S415 S450 S485 S555 547 14.3014.49 39 37 30 29 28 26 25 24 23 21 555 14.5014.69 39 37 30 29 28 26 25 24 23 21 562 14.7014.89 39 37 31 29 28 26 25 24 23 21 570 14.9015.09 39 37 31 29 28 26 25 24 23 21 578 15.1015.29 39 37 31 29 28 26 25 24 23 21 585 15.3015.49 39 37 31 30 28 27 25 25 23 21 593 15.5015.69 40 37 31 30 28 27 25 25 23 21 600 15.7015.89 40 38 31 30 28 27 25 25 23 21 608 15.9016.09 40 38 31 30 28 27 25 25 23 21 616 16.1016.29 40 38 31 30 28 27 25 25 23 22 623 16.3016.49 40 38 31 30 28 27 25 25 23 22 631 16.5016.69 40 38 31 30 29 27 26 25 24 22 638 16.7016.89 40 38 31 30 29 27 26 25 24 22 646 16.9017.09 40 38 31 30 29 27 26 25 24 22 654 17.1017.29 40 38 31 30 29 27 26 25 24 22 661 17.3017.49 40 38 32 30 29 27 26 25 24 22 669 17.5017.69 41 38 32 30 29 27 26 25 24 22 676 17.7017.89 41 38 32 30 29 27 26 25 24 22 684 17.9018.09 41 39 32 30 29 27 26 25 24 22 692 18.1018.29 41 39 32 31 29 27 26 25 24 22 699 18.3018.49 41 39 32 31 29 27 26 25 24 22 707 18.5018.69 41 39 32 31 29 28 26 25 24 22 714 18.7018.89 41 39 32 31 29 28 26 26 24 22 722 18.9019.09 41 39 32 31 29 28 26 26 24 22 730 19.1019.29 41 39 32 31 29 28 26 26 24 22 737 19.3019.49 41 39 32 31 29 28 26 26 24 22 745 19.5019.69 41 39 32 31 29 28 26 26 24 22 752 19.7019.89 42 39 32 31 30 28 26 26 24 22 760 19.9020.09 42 39 32 31 30 28 26 26 24 22 768 20.1020.29 42 39 33 31 30 28 27 26 24 22 775 20.3020.49 42 40 33 31 30 28 27 26 24 23 783 20.5020.69 42 40 33 31 30 28 27 26 25 23 790 20.7020.89 42 40 33 31 30 28 27 26 25 23 798 20.9021.09 42 40 33 31 30 28 27 26 25 23 389

Q/BQB 3702003 2 19 25 38 A.1 S175 S245 S210 S175 S290 S320 S360 S390 S415 S450 S485 S555 806 21.1021.29 42 40 33 31 30 28 27 26 25 23 813 21.3021.49 42 40 33 32 30 28 27 26 25 23 821 21.5021.69 42 40 33 32 30 28 27 26 25 23 828 21.7021.89 42 40 33 32 30 28 27 26 25 23 836 21.9022.09 42 40 33 32 30 28 27 26 25 23 844 22.1022.29 42 40 33 32 30 29 27 26 25 23 851 22.3022.49 43 40 33 32 30 29 27 26 25 23 859 22.5022.69 43 40 33 32 30 29 27 26 25 23 866 22.7022.89 43 40 33 32 30 29 27 27 25 23 874 22.9023.09 43 40 33 32 30 29 27 27 25 23 882 23.1023.29 43 41 33 32 30 29 27 27 25 23 889 23.3023.49 43 41 33 32 31 29 27 27 25 23 897 23.5023.69 43 41 34 32 31 29 27 27 25 23 904 23.7023.89 43 41 34 32 31 29 27 27 25 23 912 23.9024.09 43 41 34 32 31 29 27 27 25 23 920 24.1024.29 43 41 34 32 31 29 28 27 25 23 927 24.3024.49 43 41 34 32 31 29 28 27 25 23 935 24.5024.69 43 41 34 32 31 29 28 27 25 23 942 24.7024.89 43 41 34 32 31 29 28 27 25 23 950 24.9025.00 43 41 34 33 31 29 28 27 26 23 390

Q/BQB 3702003 B B.1 ISO API Spec 5L B.1 Q/BQB370-2003 Q/BQB370-1999 GB/T 14164-**** ISO 3183-1 :1996 GB/T 9711.1-1996 API Spec 5L 42 S175 S175 L175 L175 A25,Cl S175 S175 L175 L175 A25,Cl S210 S210 L210 L210 A S245 B S245 L245 L245 B S290 X42 S290 L290 L290 X42 S320 X46 S320 L320 L320 X46 S360 X52 S360 L360 L360 X52 S390 X56 S390 L390 L390 X56 S415 X60 S415 L415 L415 X60 S450 X65 S450 L450 L450 X65 S485 X70 S485 L485 L485 X70 S555 S555 L555 L555 X80 GB/T14164****2002 Q/BQB3701999 Q/BQB 3701999 Q/BQB3002003Q/BQB3012003 PSL1 PSL2 S175 S175 S555 PSL2 A B 1990 1999 391