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SAE-AISI M2 Steel vs. C40500 Penny Bronze

SAE-AISI M2 steel belongs to the iron alloys classification, while C40500 penny 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 C40500 penny 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
270 to 540

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Melting Completion (Liquidus), °C 1610
1060
Melting Onset (Solidus), °C 1570
1020
Specific Heat Capacity, J/kg-K 440
380
Thermal Conductivity, W/m-K 22
160
Thermal Expansion, µm/m-K 10
18

Otherwise Unclassified Properties

Base Metal Price, % relative 24
30
Density, g/cm3 8.4
8.8
Embodied Carbon, kg CO2/kg material 8.8
2.7
Embodied Energy, MJ/kg 130
43
Embodied Water, L/kg 98
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 25 to 71
8.5 to 17
Strength to Weight: Bending, points 22 to 44
10 to 17
Thermal Diffusivity, mm2/s 5.9
48
Thermal Shock Resistance, points 27 to 76
9.5 to 19

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
94 to 96
Iron (Fe), % 78.5 to 83.4
0 to 0.050
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
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.7 to 1.3
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0
Zinc (Zn), % 0
2.1 to 5.3
Residuals, % 0
0 to 0.5