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    Product

    20mn Structural tube





    Implementation Standards


    GB/T8162-1999,ISO2937,ASTM A53,ASTM A106,JIS G 3441,BS EN 10210-1


    Applicable Scope


    The scope of use covers a wide range of structural and mechanical structures, and a large number of structural pipes used in construction, machinery, transportation, aviation, oil mining and other industries.



    Chemical Composition

    Standard
    Grade
    Chemical Composition
    C
    Si
    Mn
    P、S
    Cu
    Ni
    Mo
    Cr
    GB/T8162
    10
    0.07~0.14
    0.17~0.37
    0.35~0.65
    ≤0.035
    ≤0.25
    ≤0.25
    /
    ≤0.15
    20
    0.17~0.24
    0.17~0.37
    0.35~0.65
    ≤0.035
    ≤0.25
    ≤0.25
    /
    ≤0.25
    35
    0.32~0.40
    0.17~0.37
    0.50~0.80
    ≤0.035
    ≤0.25
    ≤0.25
    /
    ≤0.25
    45
    0.42~0.50
    0.17~0.37
    0.50~0.80
    ≤0.035
    ≤0.25
    ≤0.25
    /
    ≤0.25
    16Mn
    0.12~0.20
    0.20~0.55
    1.20~1.60
    ≤0.035
    ≤0.25
    ≤0.25
    /
    ≤0.25
    12CrMo
    0.08~0.15
    0.17~0.37
    0.40~0.70
    ≤0.035
    ≤0.25
    ≤0.30
    0.40~0.55
    0.40~0.70
    15CrMo
    0.12~0.18
    0.17~0.37
    0.40~0.70
    ≤0.035
    ≤0.25
    ≤0.30
    0.40~0.55
    0.80~1.10
    12Cr1MoV
    0.08~0.15
    0.17~0.37
    0.40~0.70
    ≤0.035
    ≤0.25
    ≤0.30
    0.25~0.35
    0.90~1.20[1]

    Mechanical Property

    Standard
    Grade
    Elongation(%)
    GB/T8162
    10
    ≥335
    ≥205
    ≥24
    20
    ≥390
    ≥245
    ≥225
    22
    35
    ≥510
    ≥305
    ≥235

    20
    45
    ≥590
    ≥335
    ≥265

    ≥490
    ≥325
    ≥295

    ≥440
    ≥295
    ≥325

    ≥490
    ≥245
    ≥2

    ASTM A53
    ASME SA53
    A
    ≥330
    ≥205
    View the table of ASTM A53
    View the table of ASME SA53
    B
    ≥415
    ≥240



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