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C31400 Bronze vs. EN 1.4710 Stainless Steel

C31400 bronze belongs to the copper alloys classification, while EN 1.4710 stainless steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is EN 1.4710 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 6.8 to 29
20
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
74

Thermal Properties

Latent Heat of Fusion, J/g 200
290
Maximum Temperature: Mechanical, °C 180
750
Melting Completion (Liquidus), °C 1040
1430
Melting Onset (Solidus), °C 1010
1390
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 180
24
Thermal Expansion, µm/m-K 18
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
6.4
Electrical Conductivity: Equal Weight (Specific), % IACS 43
7.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
5.0
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 2.6
1.8
Embodied Energy, MJ/kg 42
24
Embodied Water, L/kg 310
76

Common Calculations

Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 54
6.5

Alloy Composition

Carbon (C), % 0
0.2 to 0.35
Chromium (Cr), % 0
6.0 to 8.0
Copper (Cu), % 87.5 to 90.5
0
Iron (Fe), % 0 to 0.1
87.4 to 92.3
Lead (Pb), % 1.3 to 2.5
0
Manganese (Mn), % 0
0.5 to 1.0
Molybdenum (Mo), % 0
0 to 0.15
Nickel (Ni), % 0 to 0.7
0 to 0.5
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0