51问答网 > 钢筋伸长率修约到多少

钢筋伸长率修约到多少

2025-04-02 11:33:21
推荐回答（1个）
回答1：

HPB235（一级钢）屈服点>235兆帕 抗拉强度>410兆帕 伸长率>23%
HRB335(二级螺纹)屈服点>335兆帕 抗拉强度>490兆帕 伸长率>16%
HRB400(三级螺纹)屈服点>400兆帕 抗拉强度>570兆帕 伸长率>14%
HRB500(四级螺纹)屈服点>500兆帕 抗拉强度>530兆帕 伸长率>12%

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