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SAE-AISI M43 Steel vs. C18100 Copper

SAE-AISI M43 steel belongs to the iron alloys classification, while C18100 copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M43 steel and the bottom bar is C18100 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
47
Tensile Strength: Ultimate (UTS), MPa 810 to 2290
510

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Melting Completion (Liquidus), °C 1550
1080
Melting Onset (Solidus), °C 1500
1020
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 19
320
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 33
31
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 8.5
2.7
Embodied Energy, MJ/kg 120
43
Embodied Water, L/kg 140
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 27 to 77
16
Strength to Weight: Bending, points 24 to 47
16
Thermal Diffusivity, mm2/s 5.3
94
Thermal Shock Resistance, points 25 to 71
18

Alloy Composition

Carbon (C), % 1.2 to 1.3
0
Chromium (Cr), % 3.5 to 4.3
0.4 to 1.2
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
98.7 to 99.49
Iron (Fe), % 70.8 to 76
0
Magnesium (Mg), % 0
0.030 to 0.060
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 7.5 to 8.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.65
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.5