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q345a是什么材质
更新时间: 2020-12-09 10:38:28  

q345a是钢材质的,具有较高的强度,但是性能比较差,属于低合金钢。q345就表示这种材质的钢屈服值是在345MPa,而且材质越厚,屈服值会越小。在桥梁、车辆、船舶等领域运用的比较广泛,而且还可以用来制作一些压力容器或者是特种设备。但是q345钢材里面的有害物质含量稍微高点,比Q345B,C,D要高。除了钢材各种元素的含量之外,专业的机构也需要检测钢材的一些机械性能是否达标。

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