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钢筋有多少种型号规格

2025-03-16 04:30:11

推荐回答（1个）

回答1：

最长见的钢筋就是螺纹钢啊，螺纹钢有三级的和四级的，三级螺纹材质是HRB400E，E表示抗震性能。四级螺纹的材质是HRB500E。规格从小到大有12-14mm、16mm、18-25mm、28-32mm、36-40mm。当然还有高线，俗称的盘圆。材质为HPB300。常见规格有6.5mm、8-10mm、12mm。三四级盘螺也是。你可以做个参考。

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