51问答网 > 你好，我想请问一下，德国标准中A2 和A4是什么材质的。。？

你好，我想请问一下，德国标准中A2 和A4是什么材质的。。？

2025-03-16 13:03:27
推荐回答（2个）
回答1：

a2 合金工具钢，相当于我国的Cr5Mo1V,a4相当于日标不锈钢SUS316，也是我们通常所称的316不锈钢！

回答2：

和国际通行相同。

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