牌号 | 化学成分(%) | |||||||||||
WQ890D | C | Si | Mn | P | S | Cr | Ni | Mo | Nb | V | Ti | B |
≤ 0.18 | ≤ 0.50 | ≤ 1.50 | ≤ 0.020 | ≤ 0.010 | ≤0.90 | ≤ 1.20 | ≤ 0.60 | ≤ 0.06 | ≤ 0.08 | ≤ 0.03 | ≤ 0.003 |
规格 | Rp0.2 | Rm | A50 % | AKV(-20℃,J) | 冷弯 d=3a | |
MPa | MPa | 横向 | 纵向 | |||
8∽30 | ≥890 | ≥980 | ≥12 | ≥30 | ≥40 | 完好 |
31∽50 | ≥860 | ≥950 | ≥27 | ≥35 |
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