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C82700 Copper vs. SAE-AISI O7 Steel

C82700 copper belongs to the copper alloys classification, while SAE-AISI O7 steel belongs to the iron alloys. There are 22 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 C82700 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 0.33
0.29
Shear Modulus, GPa 46
73
Tensile Strength: Ultimate (UTS), MPa 1200
680 to 2110

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Melting Completion (Liquidus), °C 950
1480
Melting Onset (Solidus), °C 860
1430
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 130
41
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 21
8.7

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 12
2.3
Embodied Energy, MJ/kg 180
33
Embodied Water, L/kg 310
52

Common Calculations

Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 38
24 to 74
Strength to Weight: Bending, points 29
22 to 46
Thermal Diffusivity, mm2/s 39
11
Thermal Shock Resistance, points 41
23 to 70

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.4 to 2.6
0
Carbon (C), % 0
1.1 to 1.3
Chromium (Cr), % 0 to 0.090
0.35 to 0.85
Copper (Cu), % 94.6 to 96.7
0 to 0.25
Iron (Fe), % 0 to 0.25
92.9 to 97.6
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 1.0 to 1.5
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.15
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.1
0
Tungsten (W), % 0
1.0 to 2.0
Vanadium (V), % 0
0 to 0.4
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0