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C55181 Copper vs. SAE-AISI H12 Steel

C55181 copper belongs to the copper alloys classification, while SAE-AISI H12 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 H12 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
75
Tensile Strength: Ultimate (UTS), MPa 200
690 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 190
270
Melting Completion (Liquidus), °C 790
1480
Melting Onset (Solidus), °C 710
1440
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 28
9.0
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 2.4
2.9
Embodied Energy, MJ/kg 38
41
Embodied Water, L/kg 290
76

Common Calculations

Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 6.5
24 to 65
Strength to Weight: Bending, points 8.9
22 to 42
Thermal Shock Resistance, points 8.2
22 to 60

Alloy Composition

Carbon (C), % 0
0.3 to 0.4
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 92.4 to 93
0 to 0.25
Iron (Fe), % 0
87.8 to 91.7
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 7.0 to 7.5
0 to 0.030
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
1.0 to 1.7
Vanadium (V), % 0
0 to 0.5
Residuals, % 0 to 0.15
0