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AWS E33-31 vs. C31400 Bronze

AWS E33-31 belongs to the iron alloys classification, while C31400 bronze belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 29
6.8 to 29
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 81
42
Tensile Strength: Ultimate (UTS), MPa 810
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 320
200
Melting Completion (Liquidus), °C 1380
1040
Melting Onset (Solidus), °C 1330
1010
Specific Heat Capacity, J/kg-K 480
380
Thermal Expansion, µm/m-K 14
18

Otherwise Unclassified Properties

Base Metal Price, % relative 36
29
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 6.0
2.6
Embodied Energy, MJ/kg 86
42
Embodied Water, L/kg 260
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28
8.7 to 13
Strength to Weight: Bending, points 24
11 to 14
Thermal Shock Resistance, points 19
9.6 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.4 to 0.8
87.5 to 90.5
Iron (Fe), % 24.7 to 34.8
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Manganese (Mn), % 2.5 to 4.0
0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 30 to 32
0 to 0.7
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.9
0
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
5.8 to 11.2
Residuals, % 0
0 to 0.4