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SAE-AISI M3 Class 2 Steel vs. C95520 Bronze

SAE-AISI M3 class 2 steel belongs to the iron alloys classification, while C95520 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 M3 class 2 steel and the bottom bar is C95520 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
44
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
970

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Melting Completion (Liquidus), °C 1620
1070
Melting Onset (Solidus), °C 1570
1020
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 26
40
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 25
29
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 12
3.6
Embodied Energy, MJ/kg 180
58
Embodied Water, L/kg 110
390

Common Calculations

Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 26 to 74
33
Strength to Weight: Bending, points 22 to 45
27
Thermal Diffusivity, mm2/s 7.2
11
Thermal Shock Resistance, points 24 to 69
33

Alloy Composition

Aluminum (Al), % 0
10.5 to 11.5
Carbon (C), % 1.2 to 1.3
0
Chromium (Cr), % 3.8 to 4.5
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0 to 0.25
74.5 to 81.3
Iron (Fe), % 75.8 to 82.3
4.0 to 5.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
4.2 to 6.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0 to 0.15
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.25
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5