CuNi18Zn20 — C76400
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
CuNi18Zn20 — C76400
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.
Where C76400 Is Used
Typical end uses published by ALB for this grade.
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
Specifications And Material Data
| Cu | 60.0-63.00% |
|---|---|
| Ni | 17.00-19.00% |
| Fe | 0.25% Max. |
| Pb | 0.05% Max. |
| Mn | 0.50% Max. |
| Zn | Balance |
Copper plus additions equal 99.50% minimum.
| 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.
Sizes And Product Forms
Available Sizes
Custom Diameter & Sizes, Random Mill lengths
Available Products And Forms
Round bars, Flat bars, Square bars, Rectangular bars, Hexagon bars
Custom shapes are available upon request.
International Specification
| Rods/Bars | UNS.C76400, CDA764, ASTM B151, B206 |
|---|---|
| European Standards | CuNi18Zn20, JIS C7521, BZn18-20, NS 106, CW 409 J |
Unless otherwise specified, material will be produced to DIN & RWMA.
Abbreviations
- ASTM — American Society for Testing and Materials
- RWMA — Resistance Welder Manufacturers' Association
Tempers And Mechanical Data
The detailed Mechanical Properties will be available on request from customers.
Frequently Asked Questions
Answers drawn from the ALB technical data for this page.
What is the chemical composition of C76400?
C76400 is supplied to the following nominal composition:
- Cu: 60.0-63.00%
- Ni: 17.00-19.00%
- Fe: 0.25% Max.
- Pb: 0.05% Max.
- Mn: 0.50% Max.
- Zn: Balance
What are the typical physical properties of C76400?
Typical values published by ALB for C76400:
- 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
Which international specifications does C76400 meet?
- Rods/Bars: UNS.C76400, CDA764, ASTM B151, B206
- European Standards: CuNi18Zn20, JIS C7521, BZn18-20, NS 106, CW 409 J
Can you supply mechanical property data for C76400?
The detailed Mechanical Properties will be available on request from customers.
Which product forms and sizes are available?
Custom Diameter & Sizes, Random Mill lengths Round bars, Flat bars, Square bars, Rectangular bars, Hexagon bars Custom shapes are available upon request.
How do I request a quotation?
Email the grade, temper, dimensions and quantity to [email protected]. Unless otherwise specified, material is produced to ASTM.
Quote C76400 To Your Specification
Send grade, temper, dimensions and quantity. Custom shapes are available on request.