Chemical Composition Of Copper & Copper Alloys

Grade Cu Pb Fe Zn Mn Ni+Co
C70400 Balance ≤0.05 1.3-1.7 ≤1.0 0.3-0.8 4.8-6.2
C70600 Balance ≤0.05 1.0-1.8 ≤1.0 ≤1.0 9.0-11.0
C70620 ≥86.5 ≤0.02 1.0-1.8 ≤0.50 ≤1.0 9.0-11.0
C71000 Balance ≤0.05 0.5-1.0 ≤1.0 ≤1.0 19.0-23.0
C71500 Balance ≤0.05 0.4-1.0 ≤1.0 ≤1.0 29.0-33.0
C71640 62.15-67.8 0.050 1.70-2.30 29.0-32.0 1.50-2.50 29.0-32.0