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C18150 Copper Chromium Zirconium

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C18150 Copper Chromium Zirconium

RWMA Class II

Used extensively for cap style resistance welding electrodes. Evidence suggests that it can provide less sticking and resist deformation longer than its copper-chrome counterpart in some specific situations.

Typical Uses for C18150 Copper Chromium Zirconium:

CONSUMER: Pencil-type & Light Soldering Guns: Tips, Rod Extensions

ELECTRICAL: Resistance Welding Electrodes

INDUSTRIAL: Welding Electrodes, Welding Wheels, Tips and Rod Extensions

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Cr Cu Zr
Min/Max 0.5 - 1.5 Rem 0.05 - 0.25
Nominals 1.0000 98.9000 0.1000
Product Type Temper Type
Information not available on website
RWMA CLASS
(Alloy Number)
Chemical Composition Hardness Conductivity(%) Tensile Strength
Class 2 (18200) CR.60-1.2 B70-83 80-85 50-70 ksi
Class 2 (18150) Cr.50-1.5 / ZR.05-.25 B70-83 80-85 50-70 ksi
Product Property US Customary Metric
Coefficient of Thermal Expansion 9.5 . 10-6 per oF (68-572 F) 16.45 . 10 6? per °C (20-200 C)
Density 0.321 lb/in3 @ 68 F 8.89 gm/cm3 @ 20 C
Electrical Conductivity 80 %IACS @ 68 F 0.464 MegaSiemens/cm @ 20 C
Melting Point Liquid US 1976 F 1080 C
Melting Point Solid US 1958 F 1070 C
Modulas of Elasticity in Tension 17000 ksi 117200 MPa
Specific Gravity 8.89 8.89
Thermal Conductivity 187.0 Btu . ft/(hr . ft2 . °F) @ 68 F 323.9 W/m . °K at 20 C
Joining Technique Suitability
Machinability Rating 20
End Product Specification
Information not available on website