| 牌号 | 可供规格范围(mm) | 用途 | |
| 厚度 | 宽度 | ||
| B320LW | 2.0~3.0 | ≤1250 | 汽车车轮用钢 |
| B360LW | 2.0~3.0 | ≤1200 | |
| B440QZ | 1.5~2.5 | 900~1400 | 汽车传动轴用钢 |
| B350JL | 0.80~2.0 | 900~1300 | 轿车离合器 |
| St12G | 2.0 | ≤1250 | 轿车支架 |
| St14J | 1.75 | ≤900 | 轿车付支架 |
| BMCP84 | 1.5~3.0 | 900~1350 | 汽车离合器摩擦片用钢 |
| Stl2Q | 2.0~3.5 | 900~1300 | 汽车底盘用钢 |
| Stl2Q1 | 2.0~3.0 | ||
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级 别
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代 号
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较高级的精整表面
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FB
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高级的精整表面
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FC
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超高级的精整表面
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FD
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表 面 结 构
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代 号
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麻 面
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D
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光亮表面
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B
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牌号
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化学成分(熔炼分析) % (质量分数)
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C
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Si
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Mn
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P
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S
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Alt
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B320LW
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≤0.12
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≤0.05
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0.6~1.0
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≤0.030
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≤0.025
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≥0.020
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B360LW
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≤0.12
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≤0.30
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0.8~1.20
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≤0.030
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≤0.025
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≥0.020
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B440QZ
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0.17~0.27
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0.15~0.37
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0.4~0.7
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≤0.035
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≤0.035
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-
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BMCP84
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0.14~0.25
|
-
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-
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≤0.04
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≤0.05
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-
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B350JL
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0.07~0.13
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≤0.12
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0.30~0.60
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≤0.035
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≤0.035
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-
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St12G
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0.07~0.14
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-
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0.35~0.65
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≤0.035
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≤0.035
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-
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St14J
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≤0.08
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-
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≤0.40
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≤0.02
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≤0.03
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≥0.025
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Stl2Q
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≤0.10
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≤0.05
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0.40~1.00
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≤0.030
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≤0.025
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≥0.020
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Stl2Q1
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≤0.12
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≤0.30
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0.60~1.20
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≤0.030
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≤0.025
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≥0.020
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