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C55181 Copper vs. SAE-AISI S7 Steel

C55181 copper belongs to the copper alloys classification, while SAE-AISI S7 steel belongs to the iron alloys. There are 19 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 C55181 copper and the bottom bar is SAE-AISI S7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 40
74
Tensile Strength: Ultimate (UTS), MPa 200
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Melting Completion (Liquidus), °C 790
1460
Melting Onset (Solidus), °C 710
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 28
5.0
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 2.4
2.3
Embodied Energy, MJ/kg 38
31
Embodied Water, L/kg 290
65

Common Calculations

Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 6.5
24 to 72
Strength to Weight: Bending, points 8.9
22 to 46
Thermal Shock Resistance, points 8.2
22 to 66

Alloy Composition

Carbon (C), % 0
0.45 to 0.55
Chromium (Cr), % 0
3.0 to 3.5
Copper (Cu), % 92.4 to 93
0 to 0.25
Iron (Fe), % 0
91.6 to 94.9
Manganese (Mn), % 0
0.2 to 0.9
Molybdenum (Mo), % 0
1.3 to 1.8
Phosphorus (P), % 7.0 to 7.5
0 to 0.030
Silicon (Si), % 0
0.2 to 1.0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.3
Residuals, % 0 to 0.15
0