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20g无锡方管标准| 20g钢的化学成分
标准 |
牌号 |
化学成分 | |||||||||
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cu |
Ni |
| ||
GB5310 |
20G |
0.17-0.24 |
0.17-0.37 |
0.35-0.65 |
≤0.030 |
≤0.030 |
/ |
/ |
≤0.20 |
≤0.25 |
/ |
20MnG |
0.17-0.24 |
0.17-0.37 |
0.70-1.00 |
≤0.030 |
≤0.030 |
/ |
/ |
≤0.20 |
≤0.25 |
/ | |
15MoG |
0.12-0.18 |
0.17-0.37 |
0.40-0.80 |
≤0.030 |
≤0.030 |
/ |
0.25-0.35 |
≤0.20 |
≤0.30 |
/ | |
15CrMoG |
0.12-0.18 |
0.17-0.37 |
0.40-0.70 |
≤0.030 |
≤0.030 |
0.80-1.10 |
0.40-0.55 |
≤0.20 |
≤0.30 |
/ | |
12Cr2MoG |
0.08-0.15 |
≤0.50 |
0.40-0.70 |
≤0.030 |
≤0.030 |
2.00-2.50 |
0.90-1.20 |
≤0.20 |
≤0.30 |
/ | |
12Cr1MoVG |
0.08-0.15 |
0.17-0.37 |
0.40-0.70 |
≤0.030 |
≤0.030 |
0.90-1.20 |
0.25-0.35 |
≤0.20 |
≤0.30 |
0.15-0.35 |
|