Zinc Copper Nickel Rods & Wires & Strips & Sheet - CuNi18Zn20 (Zinc Cupronickel Alloy) Features: 1) Standards: I) CHN GB / QB: BZn25-18, BZn22-18, BZn18-20, BZn18-18, BZn15-20, BZn12-25, BZn10-25, BZn8-25 II) ASTM / CDA: C75200, C76400, C75400, C76200, C76000, C74500 III) JIS: C7451, C7521, C7541, C7701 IIII) DIN: CuNi25Zn18, CuNi22Zn18, CuNi18Zn20, CuNi25Zn20, CuNi12Zn25, CuNi10Zn25 2). Available forms: Rods, Strips, Sheets, and Wires 3) Application: For spectacles fittings, electric and electronic parts, Crafts ornaments, optical instruments and resistance line Thanks & Regards Lindy Chen ALB Copper Alloys Co., Ltd.