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SAE-AISI O2 Steel vs. C70260 Copper

SAE-AISI O2 steel belongs to the iron alloys classification, while C70260 copper belongs to the copper 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 SAE-AISI O2 steel and the bottom bar is C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
44
Tensile Strength: Ultimate (UTS), MPa 640 to 2050
520 to 760

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Melting Completion (Liquidus), °C 1450
1060
Melting Onset (Solidus), °C 1410
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 43
160
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
40 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.8
2.7
Embodied Energy, MJ/kg 26
43
Embodied Water, L/kg 50
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 23 to 73
16 to 24
Strength to Weight: Bending, points 21 to 46
16 to 21
Thermal Diffusivity, mm2/s 12
45
Thermal Shock Resistance, points 22 to 70
18 to 27

Alloy Composition

Carbon (C), % 0.85 to 1.0
0
Chromium (Cr), % 0 to 0.5
0
Copper (Cu), % 0 to 0.25
95.8 to 98.8
Iron (Fe), % 95 to 97.8
0
Manganese (Mn), % 1.4 to 1.8
0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 0.3
1.0 to 3.0
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.5
0.2 to 0.7
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 0.3
0
Residuals, % 0
0 to 0.5