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C31400 Bronze vs. EN 1.4003 Stainless Steel

C31400 bronze belongs to the copper alloys classification, while EN 1.4003 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is EN 1.4003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 6.8 to 29
22
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
76
Shear Strength, MPa 180 to 240
340
Tensile Strength: Ultimate (UTS), MPa 270 to 420
540
Tensile Strength: Yield (Proof), MPa 78 to 310
320

Thermal Properties

Latent Heat of Fusion, J/g 200
270
Maximum Temperature: Mechanical, °C 180
720
Melting Completion (Liquidus), °C 1040
1440
Melting Onset (Solidus), °C 1010
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 180
25
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 43
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
6.5
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.9
Embodied Energy, MJ/kg 42
27
Embodied Water, L/kg 310
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
100
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
260
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.7 to 13
19
Strength to Weight: Bending, points 11 to 14
19
Thermal Diffusivity, mm2/s 54
6.7
Thermal Shock Resistance, points 9.6 to 15
19

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 87.5 to 90.5
0
Iron (Fe), % 0 to 0.1
83.9 to 89.2
Lead (Pb), % 1.3 to 2.5
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.7
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0