Zinc-Copper-nickel alloy German silver C7521/NS106 Nickel Silver Strip C7701 C7521 Copper Nickel Zinc Alloy Strip
Zinc-Copper-nickel alloy German silver argentan C7521/NS106
CuNi18Zn20 - UNS.C7521 Nickel Silver Alloys, also called Copper-Nickel-Zinc alloys, 65-15-20 respectively, which has good formability, good corrosion and tarnish-resistance performance, and this alloy has the pleasing silver-like color.
Typical Application for C7521 Nickel Silver Alloys
Consumer: Musical Instrument Parts & Components, Optical Instrument Components, Radio Dials, Name Plates, Hollow Ware, Costume Jewelry, Camera Parts, Bows, Table Flat Ware, Zippers
Fasteners: Screws, Rivets and Slide Fasteners
Industrial: Truss Wire, Base for Silver Plate, Core Bars, Templates, Etching Stock
Architecture: Decorative Applications
Available Sizes:
Custom Diameter & Sizes, Random Mill lengths
Available Products (forms):
Round bars, Flat bars, Square bars, Rectangular bars, Hexagon bars
Custom shapes are available upon request.
Chemical Component %:
| Cu | Zn | Pb | Fe | Mn | Ni |
| 63.5~66.5 | Rest | ≤0.05 | ≤0.25 | ≤0.50 | 14~16 |
Mechanical Property:
| Tensile Strength | Yeild Point | Elongation | Hardness |
δb MPa | δ0.2 Mpa | δ10 % | HV |
| 340~460 | ≥ 25 | 85~145 |
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