品名:c1100 ★牌号:c1100 ★产品名称:c1100紫铜管,红铜管 ★标准: GB/T14976-2002 c1100紫铜化学成份: 铜+银 CuAg:≥99.90 锡 Sn :≤0.002 锌 Zn:≤0.005 铅 Pb:≤0.005 镍 Ni:≤0.005 铁 Fe:≤0.005 铍 Sb :≤0.002 硫 S :≤0.005 砷 As :≤0.002 铋 Bi