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CR015A Copper vs. SAE-AISI O7 Steel

CR015A copper belongs to the copper alloys classification, while SAE-AISI O7 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CR015A copper and the bottom bar is SAE-AISI O7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 220
680 to 2110

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Melting Completion (Liquidus), °C 1090
1480
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 390
41
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 33
6.0
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 42
33
Embodied Water, L/kg 360
52

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
24 to 74
Strength to Weight: Bending, points 9.0
22 to 46
Thermal Diffusivity, mm2/s 110
11
Thermal Shock Resistance, points 7.8
23 to 70

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
1.1 to 1.3
Chromium (Cr), % 0
0.35 to 0.85
Copper (Cu), % 99.883 to 99.939
0 to 0.25
Iron (Fe), % 0
92.9 to 97.6
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0.0010 to 0.0070
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
1.0 to 2.0
Vanadium (V), % 0
0 to 0.4