Copper Alloy (UNS C82510)

Jul 16 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Applications

Introduction

The unique combination of physical and mechanical properties of copper beryllium casting alloys provides a wide range of metallurgical alternatives that meet specific performance requirements for various applications.

Copper UNS C82510 alloy has peak strength and hardness greater than many steels. Additionally, it offers excellent wear and galling resistance and good electrical conductivity.

The following datasheet discusses the chemical composition and properties of copper UNS C82510.

Chemical Composition

The chemical composition of copper UNS C82510 is given in the following table.

Element Content (%)
Copper, Cu 96.5
Beryllium, Be 1.9-2.15
Cobalt, Co 1-1.2
Carbon, C 0.2-0.35

Physical Properties

The physical properties of UNS C82510 copper alloys are outlined in the following table.

Properties Metric Imperial
Density 8.30 g/cm3 0.3 lb/in3

Mechanical Properties

The mechanical properties of UNS C82510 copper alloy (as cast) are tabulated below.

Properties Metric Imperial
Tensile strength 517-586 MPa 75000-85000 psi
Yield strength 276-345 MPa 40000-50000 psi
Elongation 15-30 % 15-30 %
Modulus of elasticity 131 GPa 19000 ksi
Rockwell B hardness 80-85 80-85

Thermal Properties

The thermal properties of UNS C82510 copper alloys are outlined in the following table.

Properties Metric Imperial
Thermal expansion co-efficient (@ 21-204°C/70-400°F) 18 µm/m°C 10 µin/in°F
Thermal conductivity 96.8 W/mK 672 BTU in/hr.ft2.°F

Applications

Copper UNS C82510 finds application in:

  • Plastic molds
  • Non-sparking safety tools
  • Cast parts for military and defense applications
  • Die cast plunger tips.

Comments

  1. John Beatty John Beatty United States says:
    February 17, 2021 at 1:19 PM

    Are there differences in hardness before and after hardening? I see that there is an RHB value given but it doesn't indicate if it is before or after hardening? I apologize if my question is elementary as I seek this information for my project in metallurgy class.

    Reply

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