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C31400 Bronze vs. EN 1.4903 Stainless Steel

C31400 bronze belongs to the copper alloys classification, while EN 1.4903 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is EN 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 6.8 to 29
20 to 21
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
75
Shear Strength, MPa 180 to 240
420
Tensile Strength: Ultimate (UTS), MPa 270 to 420
670 to 680
Tensile Strength: Yield (Proof), MPa 78 to 310
500

Thermal Properties

Latent Heat of Fusion, J/g 200
270
Maximum Temperature: Mechanical, °C 180
650
Melting Completion (Liquidus), °C 1040
1460
Melting Onset (Solidus), °C 1010
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 180
26
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 43
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 29
7.0
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 42
36
Embodied Water, L/kg 310
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
650
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.7 to 13
24
Strength to Weight: Bending, points 11 to 14
22
Thermal Diffusivity, mm2/s 54
7.0
Thermal Shock Resistance, points 9.6 to 15
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Copper (Cu), % 87.5 to 90.5
0 to 0.3
Iron (Fe), % 0 to 0.1
87.1 to 90.5
Lead (Pb), % 1.3 to 2.5
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0 to 0.7
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Vanadium (V), % 0
0.18 to 0.25
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0