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SAE-AISI M3 Class 2 Steel vs. C19020 Copper

SAE-AISI M3 class 2 steel belongs to the iron alloys classification, while C19020 copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (6, 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 C19020 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 770 to 2210
440 to 590

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1620
1090
Melting Onset (Solidus), °C 1570
1030
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 26
190
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 12
2.8
Embodied Energy, MJ/kg 180
44
Embodied Water, L/kg 110
310

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
14 to 18
Strength to Weight: Bending, points 22 to 45
14 to 18
Thermal Diffusivity, mm2/s 7.2
55
Thermal Shock Resistance, points 24 to 69
16 to 21

Alloy Composition

Carbon (C), % 1.2 to 1.3
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
95.7 to 99.19
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
0.5 to 3.0
Phosphorus (P), % 0 to 0.030
0.010 to 0.2
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.3 to 0.9
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0
Residuals, % 0
0 to 0.2