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C99300 Copper vs. SAE-AISI O7 Steel

C99300 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 (7, in this case) are not shown.

For each property being compared, the top bar is C99300 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 660
680 to 2110

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Melting Completion (Liquidus), °C 1080
1480
Melting Onset (Solidus), °C 1070
1430
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 43
41
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 35
6.0
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.5
2.3
Embodied Energy, MJ/kg 70
33
Embodied Water, L/kg 400
52

Common Calculations

Stiffness to Weight: Axial, points 8.3
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 22
24 to 74
Strength to Weight: Bending, points 20
22 to 46
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 22
23 to 70

Alloy Composition

Aluminum (Al), % 10.7 to 11.5
0
Carbon (C), % 0
1.1 to 1.3
Chromium (Cr), % 0
0.35 to 0.85
Cobalt (Co), % 1.0 to 2.0
0
Copper (Cu), % 68.6 to 74.4
0 to 0.25
Iron (Fe), % 0.4 to 1.0
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), % 13.5 to 16.5
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.020
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.050
0
Tungsten (W), % 0
1.0 to 2.0
Vanadium (V), % 0
0 to 0.4
Residuals, % 0 to 0.3
0