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SAE-AISI M50 Steel vs. C18100 Copper

SAE-AISI M50 steel belongs to the iron alloys classification, while C18100 copper belongs to the copper alloys. There are 23 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 M50 steel and the bottom bar is C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 75
47
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
510

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1480
1080
Melting Onset (Solidus), °C 1440
1020
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 35
320
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
80
Electrical Conductivity: Equal Weight (Specific), % IACS 10
81

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
31
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 5.1
2.7
Embodied Energy, MJ/kg 74
43
Embodied Water, L/kg 83
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 26 to 80
16
Strength to Weight: Bending, points 23 to 49
16
Thermal Diffusivity, mm2/s 9.7
94
Thermal Shock Resistance, points 21 to 66
18

Alloy Composition

Carbon (C), % 0.78 to 0.88
0
Chromium (Cr), % 3.8 to 4.5
0.4 to 1.2
Copper (Cu), % 0 to 0.25
98.7 to 99.49
Iron (Fe), % 87 to 90.4
0
Magnesium (Mg), % 0
0.030 to 0.060
Manganese (Mn), % 0.15 to 0.45
0
Molybdenum (Mo), % 3.9 to 4.8
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.8 to 1.3
0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.5