Ⅰ级钢筋与Ⅱ级钢的力学性能指标是什么?÷rUt u}bbs.3c3t.comËaB±Ãr
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答:Ⅰ级:屈服235MPa,抗拉370MPa伸长率≥25%÷rUt u}bbs.3c3t.comËaB±Ãr
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Ⅱ级:屈服335MPa,抗拉510MPa伸长率≥16%÷rUt u}bbs.3c3t.comËaB±Ãr
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>25:屈服335MPa,抗拉490MPa伸长率≥16%÷rUt u}bbs.3c3t.comËaB±Ãr
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¼[此贴子已经被作者于2007-1-24 11:24:56编辑过]÷rUt u}bbs.3c3t.comËaB±Ãr
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