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C31400 Bronze vs. SAE-AISI M47 Steel

C31400 bronze belongs to the copper alloys classification, while SAE-AISI M47 steel belongs to the iron 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 C31400 bronze and the bottom bar is SAE-AISI M47 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
77
Tensile Strength: Ultimate (UTS), MPa 270 to 420
810 to 2310

Thermal Properties

Latent Heat of Fusion, J/g 200
270
Melting Completion (Liquidus), °C 1040
1540
Melting Onset (Solidus), °C 1010
1500
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 180
23
Thermal Expansion, µm/m-K 18
11

Otherwise Unclassified Properties

Base Metal Price, % relative 29
26
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 2.6
7.4
Embodied Energy, MJ/kg 42
100
Embodied Water, L/kg 310
120

Common Calculations

Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.7 to 13
28 to 79
Strength to Weight: Bending, points 11 to 14
24 to 48
Thermal Diffusivity, mm2/s 54
6.3
Thermal Shock Resistance, points 9.6 to 15
27 to 77

Alloy Composition

Carbon (C), % 0
1.1 to 1.2
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 0
4.8 to 5.3
Copper (Cu), % 87.5 to 90.5
0 to 0.25
Iron (Fe), % 0 to 0.1
78.7 to 85
Lead (Pb), % 1.3 to 2.5
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
9.3 to 10
Nickel (Ni), % 0 to 0.7
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
1.3 to 1.8
Vanadium (V), % 0
1.2 to 1.4
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0