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AWS E33-31 vs. C71500 Copper-nickel

AWS E33-31 belongs to the iron alloys classification, while C71500 copper-nickel belongs to the copper alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is C71500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
140
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 81
52
Tensile Strength: Ultimate (UTS), MPa 810
380 to 620

Thermal Properties

Latent Heat of Fusion, J/g 320
230
Melting Completion (Liquidus), °C 1380
1240
Melting Onset (Solidus), °C 1330
1170
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
41
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 6.0
5.1
Embodied Energy, MJ/kg 86
74
Embodied Water, L/kg 260
280

Common Calculations

Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28
12 to 19
Strength to Weight: Bending, points 24
13 to 18
Thermal Shock Resistance, points 19
12 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.4 to 0.8
63.5 to 70.6
Iron (Fe), % 24.7 to 34.8
0.4 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 2.5 to 4.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 30 to 32
29 to 33
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
0 to 1.0
Residuals, % 0
0 to 0.5