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SAE-AISI M2 Steel vs. C51100 Bronze

SAE-AISI M2 steel belongs to the iron alloys classification, while C51100 bronze 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 M2 steel and the bottom bar is C51100 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
42
Tensile Strength: Ultimate (UTS), MPa 760 to 2150
330 to 720

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Melting Completion (Liquidus), °C 1610
1060
Melting Onset (Solidus), °C 1570
970
Specific Heat Capacity, J/kg-K 440
380
Thermal Conductivity, W/m-K 22
84
Thermal Expansion, µm/m-K 10
18

Otherwise Unclassified Properties

Base Metal Price, % relative 24
32
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 8.8
3.0
Embodied Energy, MJ/kg 130
48
Embodied Water, L/kg 98
340

Common Calculations

Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 25 to 71
10 to 22
Strength to Weight: Bending, points 22 to 44
12 to 20
Thermal Diffusivity, mm2/s 5.9
25
Thermal Shock Resistance, points 27 to 76
12 to 26

Alloy Composition


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Carbon (C), % 0.78 to 1.1
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
93.8 to 96.5
Iron (Fe), % 78.5 to 83.4
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0.030 to 0.35
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
3.5 to 4.9
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5