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q235d是什么材质
更新时间: 2020-12-02 11:38:19  

q235d材质是常说的碳素结构钢。q235d表示的是钢材的牌名,其中字母q是汉字屈服首字的第一个字母,代表的含义是屈服强度。数字235代表的含义是这种钢材的屈服强度是235。最后一个字母d代表钢材等级是d级。碳素结构钢分为abcd四个等级,其中q235d钢材表示的是第四等级,耐冲击强度也是最高的,但是目前市面上不容易见到。这类钢的含碳量,硫磷含量较低,主要用于制作角钢和工字钢。

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