There is disclosed a soldering alloy which prevents an iron tip of a soldering iron from being deteriorated. The soldering alloy comprises: 0.3 to 3% by weight of Cu; 0.01 to 0.1% by weight of Fe; 0.001 to 0.004% by weight of Ga; and a remainder including Sn and unavoidable impurities.


> Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels

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