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SAE-AISI O7 Steel vs. C99300 Copper

SAE-AISI O7 steel belongs to the iron alloys classification, while C99300 copper belongs to the copper 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 SAE-AISI O7 steel and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
46
Tensile Strength: Ultimate (UTS), MPa 680 to 2110
660

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
10.7 to 11.5
Carbon (C), % 1.1 to 1.3
0
Chromium (Cr), % 0.35 to 0.85
0
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 0 to 0.25
68.6 to 74.4
Iron (Fe), % 92.9 to 97.6
0.4 to 1.0
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 0.3
13.5 to 16.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0 to 0.020
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.050
Tungsten (W), % 1.0 to 2.0
0
Vanadium (V), % 0 to 0.4
0
Residuals, % 0
0 to 0.3