Nickel Silver Strip C7701 C7521 Copper Nickel Zinc Alloy Strip

Nickel Silver Strip C7701 C7521 Copper Nickel Zinc Alloy StripCopper-Nickel-Zinc alloy, also called nickel silver, German silver, new silver, nickel brass, albata, or electrum, is a copper alloy with nickel and often zinc. Nickel silver is named for its silvery appearance, but it contains no elemental silver unless plated. Features:1) Good color2) High toughness3) High strength4) High stability5) Excellent elasticity with fine silver gloss6) Good fatigue7) Rust and corrosion resistance properties8) C7521 and C7701 have very good deep-drawing performance  Main application:Copper-nickel-zinc alloy strip is widely used in antenna, cellphone shielding case,crystal resonator shell, silverware, jewelry, glasses, medical apparatus and instruments, zipper and keys' industry. Mechanical Properties Symbol or BrandsTemperTension testHardness testChemical CompositionGBJISUNSthickness mmtensile strength MPaelongation%thickness mmVickers Hardness HVCuNiZnBzn18-18C7521C7520000.08-10.0≥375≥20  63.5-66.516.5-19.5Balance1/2H0.08-10.0440-570≥5≥0.06120-180H0.08-10.0≥540≥3≥0.06150-200Bzn18-26C7701C770001/2H0.08-10.0540-655≥8≥0.06150-21053.5-56.516.5-19.516.5-19.5H0.08-10.0630-735≥4≥0.06180-240EH0.08-10.0705-805 ≥0.06210-260SH0.08-10.0765-865  230-270