钢种 | 牌号 | C | Si | Mn | AL | Ca* | O* | CE** |
Q245R(HIC)Q245R(R-HIC) | 熔炼分析 |
≤ 0.20 |
≤ 0.35 |
0.50- 1.00 |
≥0.020 |
0.0015- 0.0030 |
≤0.004 |
≤ 0.36 |
成品分析 | ≤0.40 |
0.45- 1.05 |
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Q345R(HIC)Q345R(R-HIC) | 熔炼分析 | ≤0.20 | 0.20-0.55 |
1.20- 1.36 |
≥0.020 |
0.0015- 0.0030 |
≤0.004 | ≤0.45 |
成品分析 | 0.20-0.60 |