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C71500 Copper-nickel vs. AWS E320

C71500 copper-nickel belongs to the copper alloys classification, while AWS E320 belongs to the iron alloys. They have a modest 36% 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 C71500 copper-nickel and the bottom bar is AWS E320.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
77
Tensile Strength: Ultimate (UTS), MPa 380 to 620
620

Thermal Properties

Latent Heat of Fusion, J/g 230
300
Melting Completion (Liquidus), °C 1240
1410
Melting Onset (Solidus), °C 1170
1360
Specific Heat Capacity, J/kg-K 400
460
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Base Metal Price, % relative 41
38
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 5.1
6.5
Embodied Energy, MJ/kg 74
91
Embodied Water, L/kg 280
220

Common Calculations

Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12 to 19
21
Strength to Weight: Bending, points 13 to 18
20
Thermal Shock Resistance, points 12 to 20
16

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 63.5 to 70.6
3.0 to 4.0
Iron (Fe), % 0.4 to 1.0
31.8 to 43.5
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 29 to 33
32 to 36
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0