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CR012A Copper vs. SAE-AISI M43 Steel

CR012A copper belongs to the copper alloys classification, while SAE-AISI M43 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is SAE-AISI M43 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 220
810 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Melting Completion (Liquidus), °C 1090
1550
Melting Onset (Solidus), °C 1040
1500
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 390
19
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
33
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.7
8.5
Embodied Energy, MJ/kg 42
120
Embodied Water, L/kg 360
140

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
27 to 77
Strength to Weight: Bending, points 9.0
24 to 47
Thermal Diffusivity, mm2/s 110
5.3
Thermal Shock Resistance, points 7.8
25 to 71

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
1.2 to 1.3
Chromium (Cr), % 0
3.5 to 4.3
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 99.85 to 99.94
0 to 0.25
Iron (Fe), % 0
70.8 to 76
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
7.5 to 8.5
Nickel (Ni), % 0
0 to 0.3
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.65
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
2.3 to 3.0
Vanadium (V), % 0
1.5 to 1.8