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SAE-AISI M3 Class 2 Steel vs. C10500 Copper

SAE-AISI M3 class 2 steel belongs to the iron alloys classification, while C10500 copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M3 class 2 steel and the bottom bar is C10500 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 770 to 2210
220 to 400

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1620
1080
Melting Onset (Solidus), °C 1570
1080
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 26
390
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
32
Density, g/cm3 8.3
9.0
Embodied Carbon, kg CO2/kg material 12
2.6
Embodied Energy, MJ/kg 180
42
Embodied Water, L/kg 110
350

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 26 to 74
6.8 to 12
Strength to Weight: Bending, points 22 to 45
9.1 to 14
Thermal Diffusivity, mm2/s 7.2
110
Thermal Shock Resistance, points 24 to 69
7.8 to 14

Alloy Composition

Carbon (C), % 1.2 to 1.3
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
99.89 to 99.966
Iron (Fe), % 75.8 to 82.3
0
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0
Oxygen (O), % 0
0 to 0.0010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Silver (Ag), % 0
0.034 to 0.060
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0
Residuals, % 0
0 to 0.050