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SAE-AISI M43 Steel vs. C19700 Copper

SAE-AISI M43 steel belongs to the iron alloys classification, while C19700 copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M43 steel and the bottom bar is C19700 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 810 to 2290
400 to 530

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Melting Completion (Liquidus), °C 1550
1090
Melting Onset (Solidus), °C 1500
1040
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 19
250
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 33
30
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 8.5
2.6
Embodied Energy, MJ/kg 120
41
Embodied Water, L/kg 140
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 27 to 77
12 to 16
Strength to Weight: Bending, points 24 to 47
14 to 16
Thermal Diffusivity, mm2/s 5.3
73
Thermal Shock Resistance, points 25 to 71
14 to 19

Alloy Composition

Carbon (C), % 1.2 to 1.3
0
Chromium (Cr), % 3.5 to 4.3
0
Cobalt (Co), % 7.8 to 8.8
0 to 0.050
Copper (Cu), % 0 to 0.25
97.4 to 99.59
Iron (Fe), % 70.8 to 76
0.3 to 1.2
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.010 to 0.2
Manganese (Mn), % 0.2 to 0.4
0 to 0.050
Molybdenum (Mo), % 7.5 to 8.5
0
Nickel (Ni), % 0 to 0.3
0 to 0.050
Phosphorus (P), % 0 to 0.030
0.1 to 0.4
Silicon (Si), % 0.15 to 0.65
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.2
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.2