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SAE-AISI M2 Steel vs. CR012A Copper

SAE-AISI M2 steel belongs to the iron alloys classification, while CR012A copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M2 steel and the bottom bar is CR012A 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
43
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
220

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1610
1090
Melting Onset (Solidus), °C 1570
1040
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 22
390
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
33
Density, g/cm3 8.4
9.0
Embodied Carbon, kg CO2/kg material 8.8
2.7
Embodied Energy, MJ/kg 130
42
Embodied Water, L/kg 98
360

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 25 to 71
6.8
Strength to Weight: Bending, points 22 to 44
9.0
Thermal Diffusivity, mm2/s 5.9
110
Thermal Shock Resistance, points 27 to 76
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.78 to 1.1
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
99.85 to 99.94
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
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0