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详细内容:牌号 化学成分(熔炼分析) % (质量分数) C Si Mn P S Alt B320LW ≤0.12 ≤0.05 0.6~1.0 ≤0.030 ≤0.025 ≥0.020 B360LW ≤0.12 ≤0.30 0.8~1.20 ≤0.030 ≤0.025 ≥0.020 B440QZ 0.17~0.27 0.15~0.37 0.4~0.7 ≤0.035 ≤0.035 - BMCP84 0.14~0.25 - - ≤0.04 ≤0.05 - B350JL 0.07~0.13 ≤0.12 0.30~0.60 ≤0.035 ≤0.035 - St12G 0.07~0.14 - 0.35~0.65 ≤0.035 ≤0.035 - St14J ≤0.08 - ≤0.40 ≤0.02 ≤0.03 ≥0.025 Stl2Q ≤0.10 ≤0.05 0.40~1.00 ≤0.030 ≤0.025 ≥0.020 Stl2Q1 ≤0.12 ≤0.30 0.60~1.20 ≤0.030 ≤0.025 ≥0.020
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