各钢材的理化数据序号牌号CSi不大于≤40123456720#35#45#MnPS拉伸A＞40~602520163126302521211818231715以上17以上2924＞60~100抗拉强度Rm不小于≤16410530600335~450370~500470~630520~680370400455550以上215235345420屈服强度Rcl＞16~40＞40~60245315355205225325400235300335450以上195215295380冲击0.17~0.230.32~0.390.42~0.500.150.220.200.200.200.220.250.2512.70以下0.260.23b0.17~0.370.35~0.650.17~0.370.50~0.800.17~0.370.50~0.800.350.350.550.550.300.550.800.40以下1.201.401.00~1.601.00~1.601.00~1.700.651.501.601.35以下1.65以下≤0.035≤0.035≤0.035≤0.035≤0.035≤0.0350.0450.0450.0450.0400.0450.0400.0450.0450.0500.0450.0500.0450.0450.0400.0450.0400.0450.045/5539/2727C/34/348Q215AQ215BQ235AQ235BQ345AQ345BQ420AQ420BHRB235HRB300HRB335Grade6590.04以下0.05以下注：1.Q235宽带钢（包括剪切钢板）抗拉强度上限不作交货条件；
2.厚度小于5mm的Q235B级钢材，如供方能保证冲击吸收功值合格，经需方同意，可不作检验；
3.Q345宽带钢（包括剪切钢板）抗拉强度上限不作交货条件，Q345级钢其厚度大于35mm的钢板的延伸率值可降低1%（绝对值）； 4.Q420宽带钢（卷板）抗拉强度上限不作交货条件。
碳素结构钢 GB 700-2006
结构用无缝钢管GB/T 8162-2008低合金高强度结构钢GB/T 1591-2008热轧型钢GB/T 706-2008
优质碳素结构钢GB/T 699-1999