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C66100 Bronze vs. SAE-AISI M3 Class 2 Steel

C66100 bronze belongs to the copper alloys classification, while SAE-AISI M3 class 2 steel belongs to the iron 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 C66100 bronze and the bottom bar is SAE-AISI M3 class 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 410 to 790
770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1050
1620
Melting Onset (Solidus), °C 1000
1570
Specific Heat Capacity, J/kg-K 400
440
Thermal Conductivity, W/m-K 34
26
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 29
25
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 2.6
12
Embodied Energy, MJ/kg 42
180
Embodied Water, L/kg 300
110

Common Calculations

Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 13 to 25
26 to 74
Strength to Weight: Bending, points 14 to 22
22 to 45
Thermal Diffusivity, mm2/s 9.7
7.2
Thermal Shock Resistance, points 15 to 29
24 to 69

Alloy Composition

Carbon (C), % 0
1.2 to 1.3
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 92 to 97
0 to 0.25
Iron (Fe), % 0 to 0.25
75.8 to 82.3
Lead (Pb), % 0.2 to 0.8
0
Manganese (Mn), % 0 to 1.5
0.15 to 0.4
Molybdenum (Mo), % 0
4.8 to 6.5
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 2.8 to 3.5
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
5.0 to 6.8
Vanadium (V), % 0
2.8 to 3.8
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0 to 0.5
0