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C31400 Bronze vs. SAE-AISI S2 Steel

C31400 bronze belongs to the copper alloys classification, while SAE-AISI S2 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is SAE-AISI S2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
72
Tensile Strength: Ultimate (UTS), MPa 270 to 420
670 to 1940

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Melting Completion (Liquidus), °C 1040
1450
Melting Onset (Solidus), °C 1010
1410
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 180
44
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 43
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
2.6
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.1
Embodied Energy, MJ/kg 42
30
Embodied Water, L/kg 310
49

Common Calculations

Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.7 to 13
24 to 69
Strength to Weight: Bending, points 11 to 14
22 to 44
Thermal Diffusivity, mm2/s 54
12
Thermal Shock Resistance, points 9.6 to 15
23 to 68

Alloy Composition

Carbon (C), % 0
0.4 to 0.55
Copper (Cu), % 87.5 to 90.5
0 to 0.25
Iron (Fe), % 0 to 0.1
96 to 98.1
Lead (Pb), % 1.3 to 2.5
0
Manganese (Mn), % 0
0.3 to 0.5
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0 to 0.7
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.9 to 1.2
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.5
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0