bronze
Bronze is pure copper (red copper) added tin or lead alloy, bronze is the name given by modern people, ancient bronze is yellow reddish, and buried in the soil after the color due to oxidation and gray, known as bronze. Compared with pure copper (copper), bronze high strength and low melting point (25% tin smelting bronze, the melting point will be reduced to 800 ° C. Pure copper (red copper) melting point of 1083 ° C). Bronze casting is good, wear and chemical stability. ...