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    碳钢线材Carbon steel wire rod
    牌    号 Grade 化学成分%  Chemical Composition %
    C Si Mn P S Alt Ti
    B-CH1T ≤0.010 ≤0.35 ≤0.030 ≤0.035 ≥0.06
    SAE 1006 ≤0.08 0.25~0.40 ≤0.030 ≤0.050
    SAE 1008 ≤0.10 0.30~0.50 ≤0.030 ≤0.050
    SAE 1010 0.08~0.13 ≤0.60 ≤0.030 ≤0.050
    SAE 1015 0.13~0.18 0.30~0.60 ≤0.030 ≤0.050
    SAE 1018 0.15~0.20 0.60~0.90 ≤0.030 ≤0.050
    SAE 1022 0.18~0.23 0.70~1.00 ≤0.030 ≤0.050
    SAE 1035 0.32~0.38 0.60~0.90 ≤0.030 ≤0.050
    SAE 1045 0.43~0.50 0.60~0.90 ≤0.030 ≤0.050
    SWRCH6A ≤0.08 ≤0.10 ≤0.60 ≤0.030 ≤0.035 ≥0.02
    SWRCH8A ≤0.10 ≤0.10 ≤0.60 ≤0.030 ≤0.035 ≥0.02
    SWRCH10A 0.08~0.13 ≤0.10 0.30~0.60 ≤0.030 ≤0.035 ≥0.02
    SWRCH15A 0.13~0.18 ≤0.10 0.30~0.60 ≤0.030 ≤0.035 ≥0.02
    SWRCH18A 0.15~0.20 ≤0.10 0.60~0.90 ≤0.030 ≤0.035 ≥0.02
    SWRCH22A 0.18~0.23 ≤0.10 0.70~1.00 ≤0.030 ≤0.035 ≥0.02
    SWRCH35K 0.37~0.43 0.10~0.35 0.60~0.90 ≤0.030 ≤0.035
    SWRCH45K 0.42~0.48 0.10~0.35 0.60~0.90 ≤0.030 ≤0.035
    ML08AL 0.05~0.10 ≤0.10 0.30~0.60 ≤0.035 ≤0.035 ≥0.02
    ML15AL 0.13~0.18 ≤0.10 0.30~0.60 ≤0.035 ≤0.035 ≥0.02

    合金钢线材Alloy steel wire rod
    牌 号 Grade 化学成分%  Chemical Composition %
    C Si Mn P S Alt Cr Mo Ni B Ti
    ML20CR 0.17~0.23 ≤0.30 0.60~0.90 ≤0.035 ≤0.035 0.02 0.90~1.20
    ML40CR 0.38~0.45 ≤0.30 0.60~0.90 ≤0.035 ≤0.035 0.02 0.90~1.20
    ML20MnTiB 0.19~0.24 ≤0.30 1.30~1.60 ≤0.035 ≤0.035 0.02 0.0005~0.0035 0.04~0.10
    ML35CrMo 0.32~0.40 ≤0.30 0.60~0.90 ≤0.035 ≤0.035 0.80~1.10 0.15~0.25
    ML42CrMo 0.38~0.45 ≤0.30 0.60~0.90 ≤0.035 ≤0.035 0.90~1.20 0.15~0.25
    SCM415 0.13~0.18 0.15~0.35 0.60~0.90 ≤0.030 ≤0.030 0.90~1.20 0.15~0.25
    SCM420 0.18~0.23 0.15~0.35 0.60~0.90 ≤0.030 ≤0.030 0.90~1.20 0.15~0.25
    SCM435 0.33~0.38 0.15~0.35 0.60~0.85 ≤0.030 ≤0.030 0.90~1.20 0.15~0.30
    SCM440 0.38~0.43 0.15~0.35 0.60~0.85 ≤0.030 ≤0.030 0.90~1.20 0.15~0.30
    SCr420 0.18~0.23 0.15~0.35 0.60~0.90 ≤0.030 ≤0.030 0.90~1.20 ≤0.25
    SCr440 0.38~0.43 0.15~0.35 0.60~0.90 ≤0.030 ≤0.030 0.90~1.20 ≤0.25
    10B21 0.18~0.23 ≤0.10 0.70~1.00 ≤0.030 ≤0.035 ≥0.0005
    10B30 0.28~0.34 0.15~0.35 0.70~1.00 ≤0.030 ≤0.035 ≥0.0005
    10B33 0.32~0.36 0.15~0.35 0.70~1.00 ≤0.030 ≤0.035 ≥0.0005
    10B38 0.35~0.42 0.15~0.35 0.70~1.00 ≤0.030 ≤0.035 ≥0.0005