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C31400 Bronze vs. EN 1.4409 Stainless Steel

C31400 bronze belongs to the copper alloys classification, while EN 1.4409 stainless steel belongs to the iron alloys. There are 28 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 EN 1.4409 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 6.8 to 29
34
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
78
Tensile Strength: Ultimate (UTS), MPa 270 to 420
490
Tensile Strength: Yield (Proof), MPa 78 to 310
220

Thermal Properties

Latent Heat of Fusion, J/g 200
300
Maximum Temperature: Mechanical, °C 180
990
Melting Completion (Liquidus), °C 1040
1440
Melting Onset (Solidus), °C 1010
1390
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 180
15
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 43
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
19
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.7
Embodied Energy, MJ/kg 42
52
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 26 to 59
140
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 420
120
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.7 to 13
17
Strength to Weight: Bending, points 11 to 14
18
Thermal Diffusivity, mm2/s 54
4.1
Thermal Shock Resistance, points 9.6 to 15
11

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 87.5 to 90.5
0
Iron (Fe), % 0 to 0.1
61.7 to 71
Lead (Pb), % 1.3 to 2.5
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0 to 0.7
9.0 to 12
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 5.8 to 11.2
0
Residuals, % 0 to 0.4
0