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SAE-AISI M2 Steel vs. C61400 Bronze

SAE-AISI M2 steel belongs to the iron alloys classification, while C61400 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M2 steel and the bottom bar is C61400 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 77
43
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
540 to 570

Thermal Properties

Latent Heat of Fusion, J/g 260
220
Melting Completion (Liquidus), °C 1610
1050
Melting Onset (Solidus), °C 1570
1040
Specific Heat Capacity, J/kg-K 440
420
Thermal Conductivity, W/m-K 22
67
Thermal Expansion, µm/m-K 10
18

Otherwise Unclassified Properties

Base Metal Price, % relative 24
28
Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 8.8
3.0
Embodied Energy, MJ/kg 130
48
Embodied Water, L/kg 98
360

Common Calculations

Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 25 to 71
18 to 19
Strength to Weight: Bending, points 22 to 44
17 to 18
Thermal Diffusivity, mm2/s 5.9
19
Thermal Shock Resistance, points 27 to 76
18 to 20

Alloy Composition


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Aluminum (Al), % 0
6.0 to 8.0
Carbon (C), % 0.78 to 1.1
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
86 to 92.5
Iron (Fe), % 78.5 to 83.4
1.5 to 3.5
Lead (Pb), % 0
0 to 0.010
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5