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C55181 Copper vs. SAE-AISI M3 Class 2 Steel

C55181 copper belongs to the copper alloys classification, while SAE-AISI M3 class 2 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C55181 copper and the bottom bar is SAE-AISI M3 class 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 200
770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Melting Completion (Liquidus), °C 790
1620
Melting Onset (Solidus), °C 710
1570
Specific Heat Capacity, J/kg-K 410
440
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 28
25
Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 2.4
12
Embodied Energy, MJ/kg 38
180
Embodied Water, L/kg 290
110

Common Calculations

Stiffness to Weight: Axial, points 7.0
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 6.5
26 to 74
Strength to Weight: Bending, points 8.9
22 to 45
Thermal Shock Resistance, points 8.2
24 to 69

Alloy Composition

Carbon (C), % 0
1.2 to 1.3
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 92.4 to 93
0 to 0.25
Iron (Fe), % 0
75.8 to 82.3
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.8 to 6.5
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 7.0 to 7.5
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
5.0 to 6.8
Vanadium (V), % 0
2.8 to 3.8
Residuals, % 0 to 0.15
0