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CR012A Copper vs. C81400 Copper

Both CR012A copper and C81400 copper are copper alloys. They have a very high 99% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
11
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 220
370
Tensile Strength: Yield (Proof), MPa 130
250

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1090
1090
Melting Onset (Solidus), °C 1040
1070
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 390
260
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
60
Electrical Conductivity: Equal Weight (Specific), % IACS 100
61

Otherwise Unclassified Properties

Base Metal Price, % relative 33
33
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 42
45
Embodied Water, L/kg 360
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
36
Resilience: Unit (Modulus of Resilience), kJ/m3 76
260
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8
11
Strength to Weight: Bending, points 9.0
13
Thermal Diffusivity, mm2/s 110
75
Thermal Shock Resistance, points 7.8
13

Alloy Composition


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Beryllium (Be), % 0
0.020 to 0.1
Bismuth (Bi), % 0 to 0.00050
0
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 99.85 to 99.94
98.4 to 99.38
Oxygen (O), % 0 to 0.040
0
Silver (Ag), % 0.060 to 0.080
0
Residuals, % 0
0 to 0.5