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C70250 Copper vs. SAE-AISI M1 Steel

C70250 copper belongs to the copper alloys classification, while SAE-AISI M1 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C70250 copper and the bottom bar is SAE-AISI M1 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 44
77
Tensile Strength: Ultimate (UTS), MPa 520 to 740
730 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 220
270
Melting Completion (Liquidus), °C 1100
1560
Melting Onset (Solidus), °C 1080
1510
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 170
29
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
18
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.9
7.0
Embodied Energy, MJ/kg 45
99
Embodied Water, L/kg 310
98

Common Calculations

Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 16 to 23
25 to 73
Strength to Weight: Bending, points 16 to 21
22 to 45
Thermal Diffusivity, mm2/s 49
8.0
Thermal Shock Resistance, points 18 to 26
23 to 66

Alloy Composition

Carbon (C), % 0
0.78 to 0.88
Chromium (Cr), % 0
3.5 to 4.0
Copper (Cu), % 92.7 to 97.5
0 to 0.25
Iron (Fe), % 0
81 to 84.8
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0.050 to 0.3
0
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nickel (Ni), % 2.2 to 4.2
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.25 to 1.2
0.2 to 0.5
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.0 to 1.4
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0