檢視低碳钢的原始碼

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中文名称；低碳钢

外文名称；mild steel

别名；软钢

特点；碳含量低于0.25%

性质；强度和硬度较低，塑性和韧性较好
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'''低碳钢'''（mild steel）为碳含量低于0.25%的[[碳素钢]]，因其强度低、硬度低而软，故又称软钢。它包括大部分普通碳素结构钢和一部分优质碳素结构钢，大多不经热处理用于工程结构件，有的经渗碳和其他热处理用于要求耐磨的机械零件。

低碳钢退火组织为铁素体和少量珠光体，其强度和硬度较低，塑性和韧性较好。因此，其冷成形性良好，可采用卷边、折弯、冲压等方法进行冷成形。这种钢还具有良好的[[焊接性]]。低碳钢一般是指含碳量在0.10～0.25%之间的钢.这类钢硬度低,塑性好,便于采用冷塑变形成型工艺，焊接和切削， 常用于制造链条， [[铆钉]]， [[螺栓]]， 轴等。<ref>[https://wenda.so.com/q/1605910512210589?src=180&q=%E4%BD%8E%E7%A2%B3%E9%92%A2 低碳钢是什么材料],360问答 , 2020年09月20日</ref>