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SAE-AISI M42 Steel vs. C54400 Bronze

SAE-AISI M42 steel belongs to the iron alloys classification, while C54400 bronze 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 M42 steel and the bottom bar is C54400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 810 to 2310
330 to 720

Thermal Properties

Latent Heat of Fusion, J/g 270
190
Melting Completion (Liquidus), °C 1540
1000
Melting Onset (Solidus), °C 1490
930
Specific Heat Capacity, J/kg-K 450
370
Thermal Conductivity, W/m-K 20
86
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 7.4
2.9
Embodied Energy, MJ/kg 100
48
Embodied Water, L/kg 140
340

Common Calculations

Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 28 to 79
10 to 22
Strength to Weight: Bending, points 24 to 48
12 to 20
Thermal Diffusivity, mm2/s 5.4
26
Thermal Shock Resistance, points 25 to 71
12 to 26

Alloy Composition

Carbon (C), % 1.1 to 1.2
0
Chromium (Cr), % 3.5 to 4.3
0
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
85.4 to 91.5
Iron (Fe), % 76.3 to 81
0 to 0.1
Lead (Pb), % 0
3.5 to 4.5
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 9.0 to 10
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0.010 to 0.5
Silicon (Si), % 0.15 to 0.65
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
3.5 to 4.5
Tungsten (W), % 1.2 to 1.9
0
Vanadium (V), % 1.0 to 1.4
0
Zinc (Zn), % 0
1.5 to 4.5
Residuals, % 0
0 to 0.5