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q345是什么材质
更新时间: 2020-12-02 16:55:53  

是一种钢材。它属于一种低合金钢,被广泛应用于桥梁、船舶、建筑、特种设备等,其中q意为屈服强度,345表示这种钢材屈服强度为345MPa。对于q345钢材的检测,主要包括两个方面:一是钢材元素含量是否达到国标标准,二是通过专业机构检测钢材的屈服强度、拉伸试验等是否达到标准。它与q235的合金含量不同,q235为普通碳钢,q345为低合金钢。

关键词: q345 什么 材质

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