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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.

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C18150 Copper Chromium Zirconium
available shapes & sizes

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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

Product Specifications

End Product Specification
Information not available on website  

Chemical Composition

  Cr Cu Zr
Min/Max 0.5 - 1.5 Rem 0.05 - 0.25
Nominals 1.0000 98.9000 0.1000

Temper

Product Type Temper Type
Information not available on website  

Mechanical Properties

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

Physical Properties

Product Property US Customary Metric
Coefficient of Thermal Expansion 9.5 · 10-6 per oF (68-572 F) 16.45 · 10-6 per oC (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 · oF) @ 68 F 323.9 W/m · oK at 20 C

Fabrication

Joining Technique Suitability
Machinability Rating 20

Our Services

40+ years of experience

Aviva Metals Houston warehouse operation is a AS9120B, and AS9100D in our Ohio foundry, based on ISO 9001:2015. We are now also offering our complete range of brass, bronze and copper alloys in precision machined or milled parts, in full accordance with your drawings. Aviva Metals creates custom precision bearings and bushings, flanges, washers, double flange bearings, full half bearings, spacers and special machined parts that can be shipped on a global basis and in full accordance with most international standards.

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