铜柱加工

this is brass Rod, round, of high precision manufacturing, semi-solid, 4.0 mm in diameter, length 15.5mm, alloy brand: brass, consist: Cu 57-60%, Zn 37.05-42.2%, Fe less 0.5%, P less 0.02%, Pb 0.8-1.9%, Sb less 0.01%, Bi less 0.003%, Sn less 0.3%.