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CR020A Copper vs. C70250 Copper

Both CR020A copper and C70250 copper are copper alloys. They have a very high 95% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR020A copper and the bottom bar is C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
44
Tensile Strength: Ultimate (UTS), MPa 220
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 210
220
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1090
1100
Melting Onset (Solidus), °C 1040
1080
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 380
170
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
36 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 100
37 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 6.8
16 to 23
Strength to Weight: Bending, points 9.0
16 to 21
Thermal Diffusivity, mm2/s 110
49
Thermal Shock Resistance, points 7.8
18 to 26

Alloy Composition


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Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.95 to 99.999
92.7 to 97.5
Lead (Pb), % 0 to 0.0050
0 to 0.050
Magnesium (Mg), % 0
0.050 to 0.3
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
2.2 to 4.2
Phosphorus (P), % 0.0010 to 0.0060
0
Silicon (Si), % 0
0.25 to 1.2
Silver (Ag), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5