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Beryllium Copper Nickel 72C Copper Casting Alloy

 

Subcategory: Copper Alloy; Nonferrous Metal

Material Notes:
Alloy 72C is a modified version of beryllium cupro-nickel alloy 71C, its increased beryllium content providing improved castability. Its field of application is the plastic tooling industry. Alloy 72C generally is ceramic mold cast into tooling used for molding flame-retardant plastics containing bromine, bromine-boron, chlorinated paraffins and phosphates, and other halogens. Additionally, alloy 72C tooling is resistant to corrosion by the foaming agents used in structural plastics that generate ammonia at elevated temperatures, as well as to decompositional products of PVC that contain HCI. The good casability of 72C allows it to be cast into tooling of fine detail.

Solution treated (water quenched from 995°C) and aged 3 hours at 510°C.

Available Properties
  • Density
  • Hardness, Rockwell C
  • Tensile Strength, Ultimate
  • Tensile Strength, Yield
  • Elongation at Break
  • Modulus of Elasticity
  • Poissons Ratio
  • Machinability
  • Shear Modulus
  • Electrical Resistivity
  • CTE, linear 250°C
  • Specific Heat Capacity
  • Thermal Conductivity
  • Melting Point
  • Solidus
  • Liquidus
  • Solution Temperature
  • Aging Temperature
  • Casting Temperature
   
Property Data

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