Nickel Silver Strip C7701 C7521 Copper Nickel Zinc Alloy Strip

Nickel Silver Strip C7701 C7521 Copper Nickel Zinc Alloy Strip
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Product Details

Nickel Silver Strip C7701 C7521 Copper Nickel Zinc Alloy Strip


Copper-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 color
2) High toughness
3) High strength
4) High stability
5) Excellent elasticity with fine silver gloss
6) Good fatigue
7) Rust and corrosion resistance properties
8) 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 Composition
GBJISUNSthickness mmtensile strength MPaelongation%thickness mmVickers Hardness HVCuNiZn
Bzn18-18C7521C7520000.08-10.0≥375≥20

63.5-66.516.5-19.5Balance
1/2H0.08-10.0440-570≥5≥0.06120-180
H0.08-10.0≥540≥3≥0.06150-200
Bzn18-26C7701C770001/2H0.08-10.0540-655≥8≥0.06150-21053.5-56.516.5-19.516.5-19.5
H0.08-10.0630-735≥4≥0.06180-240
EH0.08-10.0705-805
≥0.06210-260
SH0.08-10.0765-865

230-270

  


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