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SAE-AISI M7 Steel vs. C82500 Copper

SAE-AISI M7 steel belongs to the iron alloys classification, while C82500 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 C82500 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
550 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Melting Completion (Liquidus), °C 1560
980
Melting Onset (Solidus), °C 1510
860
Specific Heat Capacity, J/kg-K 450
390
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
10
Embodied Energy, MJ/kg 130
160
Embodied Water, L/kg 100
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26 to 76
18 to 35
Strength to Weight: Bending, points 23 to 47
17 to 27
Thermal Diffusivity, mm2/s 7.8
38
Thermal Shock Resistance, points 24 to 69
19 to 38

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
1.9 to 2.3
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 3.5 to 4.0
0 to 0.1
Cobalt (Co), % 0
0.15 to 0.7
Copper (Cu), % 0 to 0.25
95.3 to 97.8
Iron (Fe), % 79.8 to 83.8
0 to 0.25
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
0.2 to 0.35
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