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CR018A Copper vs. SAE-AISI M41 Steel

CR018A copper belongs to the copper alloys classification, while SAE-AISI M41 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 CR018A copper and the bottom bar is SAE-AISI M41 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
800 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Melting Completion (Liquidus), °C 1090
1600
Melting Onset (Solidus), °C 1040
1550
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 390
22
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
33
Density, g/cm3 9.0
8.4
Embodied Carbon, kg CO2/kg material 2.7
9.1
Embodied Energy, MJ/kg 42
140
Embodied Water, L/kg 360
120

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 6.8
26 to 76
Strength to Weight: Bending, points 9.0
23 to 46
Thermal Diffusivity, mm2/s 110
6.0
Thermal Shock Resistance, points 7.8
25 to 71

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
1.1 to 1.2
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.8 to 5.8
Copper (Cu), % 99.914 to 99.94
0 to 0.25
Iron (Fe), % 0
73.4 to 78.9
Manganese (Mn), % 0
0.2 to 0.6
Molybdenum (Mo), % 0
3.3 to 4.3
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.5
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
6.3 to 7.0
Vanadium (V), % 0
1.8 to 2.3