Furthermore, many evidences shows that C18150 can provide less sticking and resisting deformation longer than its C18200 counterpart in some specific situatons.

Typical Application for C18150 Chromium Zirconium Copper Alloys:

Electrical Industry: Resistance Welding Electrodes, Circuit Breaker Switches
Consumer: Rod Extensions, Pencil-type, Light Soldering Guns, Tips
Industrial: Welding Wheels, Tips and Rod extensions for resistance seam and spot welding

Available Sizes:
Custom Diameter & Sizes, Random Mill lengths

Available Products (forms):

Round bars, Flat bars, Square bars, Rectangular bars, Hexagon bars, Plates
Custom shapes are available upon request.

Chemical Composition:

Cr: 0.50-1.50%
Zr: 0.05-0.25%
Cu: Balance
Note: Copper plus additions equal 99.70% minimum.

Typical Physical Properties:

Density at 68°F: 0.321 Lbs./In.3
Specific Gravity: 8.89
Melting Point (Liquidus): 1080°C (1976°F)
(Solidus): 1070°C (1958°F)
Coefficient of Thermal Expansion per °F: 9.5 x 10-6 (77-212°F)
Electrical Conductivity at 68°F (volumetric): 80% IACS (aged and drawn)
Thermal Conductivity Btu/ft.2/ft./hr./°F at 68°F: 187
Modulus of Elasticity – Tension: 17,000 ksi

Note:
1). the units are based upon US Customary.
2). the typical physical properties apply to age hardened products.

International Specification:

Rods/Bars/Plates/Sheets: UNS.C18150, SAE J461,463；RWMA Class 2, ISO5182-1991

European Standards: CuCr1Zr, DIN 17666 2.1293, CW106C to EN

Note:
ASTM: American Society for Testing and Materials
SAE: Society of Automotive Engineers
RWMA: Resistance Welder Manufacturers’ Association
Note: Unless otherwise specified, material will be produced to ASTM & RWMA.

Mechanical Properties:

The detailed Mechanical Properties will be available on request from customers.

Most Commonly Temper Used:

Rods/Bars/Tubes: AT(TF00), HT (TH04)
Plates: AT(TF00), HT(TH04)