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STEEL

2025-06-17 13:293190下载
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FIELD : metallurgy.SUBSTANCE : steel includes carbon, silicon, manganese, copper, rare-earth metals, cobalt and iron, at following component ratio, wt % : carbon 1.8-2.0, silicon 0.3-0.5, manganese 16.0-18.0, rare-earth metals 0.6-0.7, copper 3.0-3.5, cobalt 1.8-2.0, the rest is iron.EFFECT : enhanced strength of steel.1 tbl


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