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SAE-AISI M43 Steel vs. C19400 Copper

SAE-AISI M43 steel belongs to the iron alloys classification, while C19400 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 C19400 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 810 to 2290
310 to 630

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Melting Completion (Liquidus), °C 1550
1090
Melting Onset (Solidus), °C 1500
1080
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 19
260
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
40
Embodied Water, L/kg 140
300

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
9.7 to 20
Strength to Weight: Bending, points 24 to 47
11 to 18
Thermal Diffusivity, mm2/s 5.3
75
Thermal Shock Resistance, points 25 to 71
11 to 22

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
Copper (Cu), % 0 to 0.25
96.8 to 97.8
Iron (Fe), % 70.8 to 76
2.1 to 2.6
Lead (Pb), % 0
0 to 0.030
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
0.015 to 0.15
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
Zinc (Zn), % 0
0.050 to 0.2
Residuals, % 0
0 to 0.2