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SAE-AISI M7 Steel vs. C82200 Copper

SAE-AISI M7 steel belongs to the iron alloys classification, while C82200 copper belongs to the copper 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 SAE-AISI M7 steel and the bottom bar is C82200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 77
44
Tensile Strength: Ultimate (UTS), MPa 760 to 2210
390 to 660

Thermal Properties

Latent Heat of Fusion, J/g 270
220
Melting Completion (Liquidus), °C 1560
1080
Melting Onset (Solidus), °C 1510
1040
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 28
180
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 18
55
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 8.9
4.8
Embodied Energy, MJ/kg 130
74
Embodied Water, L/kg 100
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 26 to 76
12 to 20
Strength to Weight: Bending, points 23 to 47
13 to 19
Thermal Diffusivity, mm2/s 7.8
53
Thermal Shock Resistance, points 24 to 69
14 to 23

Alloy Composition

Beryllium (Be), % 0
0.35 to 0.8
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 3.5 to 4.0
0
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 0 to 0.25
97.4 to 98.7
Iron (Fe), % 79.8 to 83.8
0
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 8.2 to 9.2
0
Nickel (Ni), % 0 to 0.3
1.0 to 2.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.55
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 1.4 to 2.1
0
Vanadium (V), % 1.8 to 2.3
0
Residuals, % 0
0 to 0.5