1.Brass:good cutting performance Cuaa99.95% 2.Pb : 0.001 3.Zn:0.005 ... 4.strong corrosion resistance 5.Standard:ASTM,DIN,JIS,GB C1020 red copper tube ... Feature:hot forging, cold forging excellent performance;excellent welding performance, electroplating, smooth surface.reasonable copper price. ... hardware, drinking water project components. C1020 red copper tube