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C81400 Copper vs. SAE-AISI M41 Steel

C81400 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 (9, in this case) are not shown.

For each property being compared, the top bar is C81400 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 41
77
Tensile Strength: Ultimate (UTS), MPa 370
800 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Melting Completion (Liquidus), °C 1090
1600
Melting Onset (Solidus), °C 1070
1550
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 260
22
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
33
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 2.8
9.1
Embodied Energy, MJ/kg 45
140
Embodied Water, L/kg 310
120

Common Calculations

Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 11
26 to 76
Strength to Weight: Bending, points 13
23 to 46
Thermal Diffusivity, mm2/s 75
6.0
Thermal Shock Resistance, points 13
25 to 71

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
1.1 to 1.2
Chromium (Cr), % 0.6 to 1.0
3.8 to 4.5
Cobalt (Co), % 0
4.8 to 5.8
Copper (Cu), % 98.4 to 99.38
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
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
6.3 to 7.0
Vanadium (V), % 0
1.8 to 2.3
Residuals, % 0 to 0.5
0