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a2钢板,热处理能达到hrc50吗

2025-04-01 02:39:39

推荐回答（1个）

回答1：

　　A2模具钢热处理后硬度高于SKD11，高温(500-520℃)回火后可达60-62HRC高硬度，在强度方面超过SKD11。
　　各国的牌号有相同的代码，中国有A2钢(一般碳素结构钢),美国有A2钢(空冷淬硬型工具钢),英国也有A2钢(低合金钢),等等,类型不一样,所具有的性能当然相差甚远了。
　　A2是碳素结构钢的旧国标钢号，就是现在的Q215（GB700-88）。
A1是Q195，A2是Q215，A3是Q235，A4是Q255
A2的塑性要比A3来得好。

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