级别 | C | Mn | Si | P | S | Cr | Mo |
Gr5 Cl2 | ≤ 0.15 | 0.30-0.60 | ≤ 0.50 | ≤ 0.035 | ≤ 0.035 | 4.00-6.00 | 0.45-0.65 |
Gr12 Cl2 | 0.05-0.17 | 0.40-0.65 | 0.15-0.40 | ≤ 0.035 | ≤ 0.035 | 0.80-1.15 | 0.45-0.60 |
Gr11 Cl2 | 0.05-0.17 | 0.40-0.65 | 0.50-0.80 | ≤ 0.035 | ≤ 0.035 | 1.00-1.50 | 0.45-0.60 |
Gr22 Cl2 | 0.05-0.15 | 0.30-0.60 | ≤ 0.50 | ≤ 0.035 | ≤ 0.035 | 2.00-2.50 | 0.90-1.10 |
Gr91 | 0.06-0.15 | 0.25-0.66 | 0.18-0.56 | ≤ 0.020 | ≤ 0.010 | 8.00-9.50 | 0.85-1.05 |
等级、级别 | 钢板状态 | 屈服强度σ0.2 ( MPa ) | 抗拉强度σb ( MPa ) | 延伸率δ2 % |
Gr5 Cl2 | 正火 + 回火 | ≥ 310 | 515-690 | ≥18 |
Gr12 Cl2 | 正火 + 回火 | ≥ 275 | 450-585 | ≥22 |
Gr11 Cl2 | 正火 + 回火 | ≥ 310 | 515-690 | ≥22 |
Gr22 Cl2 | 正火 + 回火 | ≥ 310 | 515-690 | ≥18 |
Gr.91 | 正火 + 回火 | ≥ 415 |
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