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CR023A Copper vs. SAE-AISI T8 Steel

CR023A copper belongs to the copper alloys classification, while SAE-AISI T8 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CR023A copper and the bottom bar is SAE-AISI T8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
78
Tensile Strength: Ultimate (UTS), MPa 220
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Melting Completion (Liquidus), °C 1090
1730
Melting Onset (Solidus), °C 1040
1670
Specific Heat Capacity, J/kg-K 390
420
Thermal Conductivity, W/m-K 380
18
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
45
Density, g/cm3 9.0
9.0
Embodied Carbon, kg CO2/kg material 2.6
10
Embodied Energy, MJ/kg 41
160
Embodied Water, L/kg 320
120

Common Calculations

Stiffness to Weight: Axial, points 7.2
12
Stiffness to Weight: Bending, points 18
22
Strength to Weight: Axial, points 6.8
24 to 66
Strength to Weight: Bending, points 9.0
21 to 41
Thermal Diffusivity, mm2/s 110
4.8
Thermal Shock Resistance, points 7.8
24 to 66

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 99.9 to 99.995
0 to 0.25
Iron (Fe), % 0
69.3 to 75.4
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0.0050 to 0.013
0 to 0.030
Silicon (Si), % 0
0.2 to 0.4
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4