钢种 | %质量 | |||||||||||||
牌号 | 数字 | C | Si, | Mn | P | S | Al 全 | N | Cr | Cu b | Mo | Nb | Ni | Ti |
P235GH | 1.0345 | ≤ 0.16 | ≤ 0.35 | 0.60C- 1.20 | ≤ 0.025 | ≤ 0.015 | ≥ 0.020 | ≤ 0.012d | ≤ 0.30 | ≤ 0.30 | ≤ 0.08 | ≤ 0.020 | ≤ 0.30 | ≤ 0.03 |
P265GH | 1.0425 | ≤ 0.20 | ≤ 0.40 | 0.80C- 1.40 | ≤ 0.025 | ≤ 0.015 | ≥ 0.020 | ≤ 0.012d | ≤ 0.30 | ≤ 0.30 | ≤ 0.08 | ≤ 0.020 | ≤ 0.30 | ≤ 0.03 |
P295GH | 1.0481 | 0.08- 0.20 | ≤ 0.40 | 0.90C- 1.50 | ≤ 0.025 | ≤ 0.015 | ≥ 0.020 | ≤ 0.012d | ≤ 0.30 | ≤ 0.30 | ≤ 0.08 | ≤ 0.020 | ≤ 0.30 | ≤ 0.03 |
P355GH | 1.0473 | 0.10- 0.22 | ≤ 0.60 | 1.10- 1.70 | ≤ 0.025 | ≤ 0.015 | ≥ 0.020 | ≤ 0.012d | ≤ 0.30 | ≤ 0.30 | ≤ 0.08 | ≤ 0.020 | ≤ 0.30 | ≤ 0.03 |
16Mo3 | 1.5415 | 0.12- 0.20 | ≤ 0.35 | 0.40- 0.90 | ≤ 0.025 | ≤ 0.010 | e | ≤ 0.012 | ≤ 0.30 | ≤ 0.30 | 0.25- 0.35 | _ | ≤ 0.30 | _ |
18MnMo4-5 | 1.5414 | ≤ 0.20 | ≤ 0.40 | 0.90- 1.50 | ≤ 0.015 | ≤ 0.005 | e | ≤ 0.012 | ≤ 0.30 | ≤ 0.30 | 0.45- 0.60 | _ | ≤ 0.30 | _ |
20MnMoNi4-5 | 1.6311 | 0.15- 0.23 | ≤ 0.40 | 1.00- 1.50 | ≤ 0.020 | ≤ 0.010 | e | ≤ 0.012 | ≤ 0.20 | ≤ 0.20 | 0.45- 0.60 | _ | 0.40- 0.80 | _ |
15NiCuMoNb5-6-4 | 1.6368 | ≤ 0.17 | 0.25- 0.50 | 0.80- 1.20 | ≤ 0.025 | ≤ 0.010 | ≥ 0.015 | ≤ 0.020 | ≤ 0.30 | 0.50- 0.80 | 0.25- 0.50 | 0.015- 0.045 | 1.00- 1.30 | _ |
DIWA373(德标) | 1.6368 | ≤ 0.17 | 0.25- 0.50 | 0.80- 1.20 | ≤ 0.025 | ≤ 0.010 | ≥ 0.015 | ≤ 0.020 | ≤ 0.30 | 0.50- 0.80 | 0.25- 0.50 | 0.015- 0.045 | 1.00- 1.30 | _ |
13CrMo4-5 | 1.7335 | 0.08- 0.18 | ≤ 0.35 | 0.40- 1.00 | ≤ 0.025 | ≤ 0.010 | e | ≤ 0.012 | 0.70f- 1.15 | ≤ 0.30 | 0.40- 0.60 | _ | _ | _ |
13CrMoSi5-5 | 1.7336 | ≤ 017 | 0.50- 0.80 | 0.40- 0.65 | ≤ 0.015 | ≤ 0.005 | e | ≤ 0.012 | 1.00- 1.50 | ≤ 0.30 | 0.45- 0.65 | _ | ≤ 0.30 | _ |
10CrMo9-10 | 1.7380 | 0.08- 0.14g | ≤ 0.50 | 0.40- 0.80 | ≤ 0.020 | ≤ 0.010 | e | ≤ 0.012 | 2.00- 2.50 | ≤ 0.30 | 0.90- 1.10 | _ | _ | _ |
12CrMo9-10 | 1.7375 | 0.10- 0.15 | ≤ 0.30 | 0.30- 0.80 | ≤ 0.015 | ≤ 0.010 | 0.010- 0.040 | ≤ 0.012 | 2.00- 2.50 | ≤ 0.25 | 0.90- 1.10 | _ | ≤ 0.30 | |
X12CrMo5 | 1.7362 | 0.10- 0.15 | ≤ 0.50 | 0.30- 0.60 | ≤ 0.020 | ≤ 0.005 | e | ≤ 0.012 | 4.00- 6.00 | ≤ 0.30 | 0.45- 0.65 | _ | ≤ 0.30 | |
13CrMoV9-10 | 1.7703 | 0.11- 0.15 | ≤ 0.10 | 0.30- 0.60 | ≤ 0.015 | ≤ 0.005 | e | ≤ 0.012 | 2.00- 2.50 | ≤ 0.20 | 0.90- 1.10 | ≤ 0.07 | ≤ 0.25 | |
12CrMoV12-10 | 1.7767 | 0.10- 0.15 | ≤ 0.15 | 0.30- 0.60 | ≤ 0.015 | ≤ 0.005 | e | ≤ 0.012 | 2.75- 3.25 | ≤ 0.25 | 0.90- 1.10 | ≤ 0.07h | ≤ 0.25 | |
X10CrMoVNb9-1 | 1.4903 | 0.08- 0.12 | ≤ 0.50 | 0.30- 0.60 | ≤ 0.020 | ≤ 0.005 | ≤ 0.040 | 0.030- 0.070 | 8.00- 9.50 | ≤ 0.30 | 0.85- 1.05 | 0.06- 0.10 | ≤ 0.30 | |
注:a 没有买方同意,未列入表中的元素不得有意加入钢中。应采取所有适当措施防止从废钢或其它生产材料中混入影响b ●●较低的最大铜含量和/或铜加锡的最大值,如Cu+6Sn≤0.33%,可以在询价和订货时协商,如有关钢的热成形 c 对于厚度<6mm 的产品,最小锰含量比规定值低 0.20%是允许的。d Al/N 应≥2。 e 熔炼铝含量应分析并在检验文件中给出。 f ●●如果抵抗加压的氢是重要的话,可以在询价和订货时协商Cr 含量最低为 0.80%。g ●●对于厚度大于 150mm 的产品,可以在询价和订货时协商C 含量最大为 0.17%。 h 可以采用Ti+B 或Nb+Ca 来生产这个钢。下面的最小含量适用:Ti+B 时,Ti≥0.015%和B≥0.001%,Nb+Ca 时,Nb |
钢种 | 通常交货状态 b,c | 产品厚度 t,mm | 室温拉伸性能 | 最小冲击功,KV, J,℃ | |||||
屈服强度ReH MPa, 最小 | 抗拉强度 Rm MPa | 断后伸长率A % 最小 | -20 | 0 | +20 | ||||
名称 | 数字 | ||||||||
P235GH | 1.0345 | d +N | ≤16 | 235 | 360--480 | 24 | 27 | 34 | 40 |
16<t≤40 | 225 | ||||||||
40<t≤60 | 215 | ||||||||
60<t≤100 | 200 | ||||||||
100<t≤150 | 185 | 350--480 | |||||||
150<t≤250 | 170 | 340--480 | |||||||
P265GH | 1.0425 | d +N | ≤16 | 265 | 410--530 | 22 | 27 | 34 | 40 |
16<t≤40 | 255 | ||||||||
40<t≤60 | 245 | ||||||||
60<t≤100 | 215 | ||||||||
100<t≤150 | 200 | 400—530 | |||||||
150<t≤250 | 185 | 390--530 | |||||||
P295GH | 1.0481 | d +N | ≤16 | 295 | 460—580 | 21 | 27 | 34 | 40 |
16<t≤40 | 290 | ||||||||
40<t≤60 | 285 | ||||||||
60<t≤100 | 260 | ||||||||
100<t≤150 | 235 | 440—570 | |||||||
150<t≤250 | 220 | 430--570 | |||||||
P355GH | 1.0473 | d +N | ≤16 | 355 | 510—650 | 20 | 27 | 34 | 40 |
16<t≤40 | 345 | ||||||||
40<t≤60 | 335 | ||||||||
60<t≤100 | 315 | 490—630 | |||||||
100<t≤150 | 295 | 480—630 | |||||||
150<t≤250 | 280 | 470--630 | |||||||
16Mo3 | 1.5415 | e +N | ≤16 | 275 | 440—590 | 22 | f | f | 31 |
16<t≤40 | 270 | ||||||||
40<t≤60 | 260 | ||||||||
60<t≤100 | 240 | 430—560 | |||||||
100<t≤150 | 220 | 420—570 | |||||||
150<t≤250 | 210 | 410--570 | |||||||
18MnMo4-5 | 1.5414 | +NT | ≤60 | 345 | 510--650 | 20 | 27 | 34 | 40 |
60<t≤150 | 325 | ||||||||
+QT | 150<t≤250 | 310 | 480--620 | ||||||
20MnMoNi4-5 | 1.6311 | +QT | ≤40 | 470 | 590--750 | 18 | 27 | 40 | 50 |
40<t≤60 | 460 | 590--730 | |||||||
60<t≤100 | 450 | 570--710 | |||||||
100<t≤150 | 440 | ||||||||
150<t≤250 | 400 | 560--700 | |||||||
15NiCuMoNb5-6-4 | 1.6368 | +NT | ≤40 | 460 | 610--780 | 16 | 27 | 34 | 40 |
40<t≤60 | 440 | ||||||||
60<t≤100 | 430 | 600--760 | |||||||
+NT 或 + QT | 100<t≤150 | 420 | 590--740 | ||||||
+ QT | 150<t≤200 | 410 | 580—740 | ||||||
DIWA373(德标) | 1.6368 | +NT | ≤40 | 460 | 610--780 | 16 | 27 | 34 | 40 |
40<t≤60 | 440 | ||||||||
60<t≤100 | 430 | 600--760 | |||||||
+NT 或 + QT | 100<t≤150 | 420 | 590--740 | ||||||
+ QT | 150<t≤200 | 410 | 580—740 | ||||||
13CrMo4-5 | 1.7335 | +NT | ≤16 | 300 | 450—600 | 19 | f | f | 31 |
16<t≤60 | 290 | ||||||||
60<t≤100 | 270 | 440—590 | f | f | 27 | ||||
+NT 或 + QT | 100<t≤150 | 255 | 430--580 | f | f | f | |||
+ QT | 150<t≤250 | 245 | 420—570 | ||||||
13CrMoSi5-5 | 1.7336 | +NT | ≤60 | 310 | 510—690 | 20 | f | 27 | 34 |
60<t≤100 | 300 | 480--660 | |||||||
+ QT | ≤60 | 400 | 510--690 | 27 | 34 | 40 | |||
60<t≤100 | 390 | 500—680 | |||||||
100<t≤250 | 380 | 490—670 |
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