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SAE-AISI M2 Steel vs. C70260 Copper

SAE-AISI M2 steel belongs to the iron alloys classification, while C70260 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 M2 steel and the bottom bar is C70260 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 2150
520 to 760

Thermal Properties

Latent Heat of Fusion, J/g 260
220
Melting Completion (Liquidus), °C 1610
1060
Melting Onset (Solidus), °C 1570
1040
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 22
160
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 8.8
2.7
Embodied Energy, MJ/kg 130
43
Embodied Water, L/kg 98
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 25 to 71
16 to 24
Strength to Weight: Bending, points 22 to 44
16 to 21
Thermal Diffusivity, mm2/s 5.9
45
Thermal Shock Resistance, points 27 to 76
18 to 27

Alloy Composition


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Carbon (C), % 0.78 to 1.1
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
95.8 to 98.8
Iron (Fe), % 78.5 to 83.4
0
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
1.0 to 3.0
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0.2 to 0.45
0.2 to 0.7
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0
Residuals, % 0
0 to 0.5