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SAE-AISI M2 Steel vs. C63020 Bronze

SAE-AISI M2 steel belongs to the iron alloys classification, while C63020 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M2 steel and the bottom bar is C63020 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 760 to 2150
1020

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Melting Completion (Liquidus), °C 1610
1070
Melting Onset (Solidus), °C 1570
1020
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 22
40
Thermal Expansion, µm/m-K 10
18

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 8.8
3.6
Embodied Energy, MJ/kg 130
58
Embodied Water, L/kg 98
390

Common Calculations

Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 25 to 71
34
Strength to Weight: Bending, points 22 to 44
27
Thermal Diffusivity, mm2/s 5.9
11
Thermal Shock Resistance, points 27 to 76
35

Alloy Composition

Aluminum (Al), % 0
10 to 11
Carbon (C), % 0.78 to 1.1
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
74.7 to 81.8
Iron (Fe), % 78.5 to 83.4
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), % 4.5 to 5.5
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
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.25
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