CuZn9Pb2 – UNS.C31400 Lead Commercial Bronze Alloys, which is commonly named "Commercial Bronze", and it is a free machining brass with a higher electrical and thermal conductivity than that of standard free machining brass. C31400 combines the natural corrosion resistance of C22000 with the machinability typical of leaded brasses. Like C22000,it is an alpha brass nominally composed of 89% copper and 9% zinc, but it also contains abt. 2%...
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