Q235化學成分
| 牌號 | 等級 | 化學成分(質量分數)(%) | ||||
| C | Mn | Si | S | P | ||
| ≤ | ||||||
| Q235 | A | 0.14~0.22 | 0.30~0.65 | 0.30 | 0.050 | 0.045 |
| B | 0.12~0.20 | 0.30~0.70 | 0.045 | |||
| C | ≤0.18 | 0.35~0.80 | 0.040 | 0.040 | ||
| D | ≤0.17 | 0.035 | 0.035 | |||
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