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SAE-AISI M7 Steel vs. C82400 Copper

SAE-AISI M7 steel belongs to the iron alloys classification, while C82400 copper belongs to the copper alloys. There are 20 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 SAE-AISI M7 steel and the bottom bar is C82400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
45
Tensile Strength: Ultimate (UTS), MPa 760 to 2210
500 to 1030

Thermal Properties

Latent Heat of Fusion, J/g 270
230
Melting Completion (Liquidus), °C 1560
1000
Melting Onset (Solidus), °C 1510
900
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 28
130
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Density, g/cm3 8.1
8.8
Embodied Carbon, kg CO2/kg material 8.9
8.9
Embodied Energy, MJ/kg 130
140
Embodied Water, L/kg 100
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26 to 76
16 to 33
Strength to Weight: Bending, points 23 to 47
16 to 26
Thermal Diffusivity, mm2/s 7.8
39
Thermal Shock Resistance, points 24 to 69
17 to 36

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.6 to 1.9
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 3.5 to 4.0
0 to 0.1
Cobalt (Co), % 0
0.2 to 0.65
Copper (Cu), % 0 to 0.25
96 to 98.2
Iron (Fe), % 79.8 to 83.8
0 to 0.2
Lead (Pb), % 0
0 to 0.020
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0 to 0.3
0 to 0.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.55
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.8 to 2.3
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5