级别 |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Gr5 |
≤ |
0.30-0.60 |
≤ |
≤ |
≤ |
4.00-6.00 |
0.45-0.65 |
Gr12 |
0.05-0.17 |
0.40-0.65 |
0.15-0.40 |
≤ |
≤ |
0.80-1.15 |
0.45-0.60 |
Gr11 |
0.05-0.17 |
0.40-0.65 |
0.50-0.80 |
≤ |
≤ |
1.00-1.50 |
0.45-0.60 |
Gr22 |
0.05-0.15 |
0.30-0.60 |
≤ |
≤ |
≤ |
2.00-2.50 |
0.90-1.10 |
Gr91 |
0.06-0.15 |
0.25-0.66 |
0.18-0.56 |
≤ |
≤ |
8.00-9.50 |
0.85-1.05 |
等级、级别 |
钢板状态 |
屈服强度σ0.2 ( |
抗拉强度σb ( |
延伸率δ2 % |
Gr5 |
正火 |
≥ |
515-690 |
≥18 |
Gr12 |
正火 |
≥ |
450-585 |
≥22 |
Gr11 |
正火 |
≥ |
515-690 |
≥22 |
Gr22 |
正火 |
≥ |
515-690 |
≥18 |
Gr.91 |
正火 |
≥ |
|
|