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CuNi18Zn20 – UNS.C76400 Nickel Silver Alloys
C76400 Details & Applications:
C76400 Nickel Silver Alloys
CuNi18Zn20 - UNS.C76400 Nickel Silver Alloys, also called Copper-Nickel-Zinc alloys, 62-18-20 respectively, which has good formability, good corrosion and tarnish-resistance performance, and this alloy has the pleasing silver-like color.
Typical Application for C76400 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
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.
Fe: 0.25% Max.
Pb: 0.05% Max.
Mn: 0.50% Max.
Note: Copper plus additions equal 99.50% minimum.
Typical Physical Properties:
Specific Gravity: 8.73 g/cm3
Coefficient of Thermal Expansion per °C: 17.20 x 10-6 (20-300°C)
Electrical Conductivity (% IACS): 5.70% @ 68 F
Thermal Conductivity: 19.00 Btu • ft/(hr • ft2•oF)at 68F
Modulus of Elasticity in tension: 18000 ksi
1). the units are based upon US Customary.
2). the typical physical properties apply to age hardened products.
Rods/Bars: UNS.C76400, CDA764, ASTM B151, B206
European Standards: CuNi18Zn20, JIS C7521, BZn18-20, NS 106, CW 409 J
ASTM: American Society for Testing and Materials
RWMA: Resistance Welder Manufacturers' Association
Note: Unless otherwise specified, material will be produced to DIN & RWMA.
CHECK the ALB Copper Alloys feature on specialty copper alloys for Automotive industry.
CHECK the ALB Copper Alloys feature on specialty copper alloys for Aerospace industry.
CHECK the ALB Copper Alloys feature on specialty copper alloys for RWMA industry.
CHECK the ALB Copper Alloys feature on specialty copper alloys for Plastic Mould industry.