供应本钢汽车SPHC酸洗SAPH400用于汽车构架钢
4.0*1260*C SAPH400 本钢 4030
4.5*1250*C SAPH400 本钢 4180
5.0*1260*C SAPH400 本钢 4030
5.0*1250*C QSTE340TM 本钢 4200
5.0*1250*C QSTE380TM 本钢 4210
牌号 | 化学成分a，％ |
C | Si | Mn | P | S | Alt |
SAPH310 | ≤0.10 | ≤0.30 | ≤0.50 | ≤0.035 | ≤0.035 | ≥0.010 |
SAPH370 | ≤0.21 | ≤0.30 | ≤0.75 |
SAPH400 | ≤0.21 | ≤0.30 | ≤1.40 | ≤0.030 | ≤0.025 |
SAPH440 | ≤1.50 |
SPFH540 | ≤0.15 | ≤0.50 | ≤1.80 | ≤0.025 | ≤0.025 |
SPFH590 | ≤0.18 | ≤0.60 | ≤2.00 |
B440QK | ≤0.21 | ≤0.35 | ≤1.80 | ≤0.030 | ≤0.025 |
B330CL | ≤0.10 | ≤0.30 | ≤0.50 | ≤0.030 | ≤0.025 |
B380CL | ≤0.12 | ≤0.30 | ≤1.20 |
B420CL | ≤0.12 | ≤0.30 | ≤1.50 |
B320L | ≤0.10 | ≤0.30 | ≤0.50 | ≤0.030 | ≤0.035 |
B420L | ≤0.12 | ≤0.50 | ≤1.50 | ≤0.025 |
B510L | ≤0.16 | ≤0.50 | ≤1.60 | ≤0.025 |
B510DL | ≤0.18 | ≤0.30 | ≤1.60 | ≤0.025 | ≤0.020 |
B550L | ≤0.16 | ≤0.50 | ≤1.60 | ≤0.030 | ≤0.025 |
B440QZR | ≤0.12 | ≤0.50 | ≤1.30 | ≤0.030 | ≤0.025 | － |
B480QZR | ≤0.16 | ≤0.50 | ≤1.50 | ≤0.035 |
| a为改善钢的性能，根据需要可添加其他合金元素，此时Alt的下限不要求。 |
