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copper function in steel
met.
铜在钢中的作用
(【技】总体上说,铜是钢中的有益元素。铜含量约在 0.35% 以内时,随着铜含量的增加,对改善碳素钢的耐锈蚀能力效果显著。但含量在 0. 35% - 1. 00% 之间时,虽然耐锈蚀能力仍有所增加,但增加缓慢。铜能提高钢材的强度,还能提高钢材的淬硬性。当钢中铜含量大于0.40%时,易产生热脆现象,焊接性也逐渐变差。)
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