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AWS ERNiFeCr-2 vs. C71500 Copper-nickel

AWS ERNiFeCr-2 belongs to the nickel alloys classification, while C71500 copper-nickel belongs to the copper alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiFeCr-2 and the bottom bar is C71500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 75
52
Tensile Strength: Ultimate (UTS), MPa 1300
380 to 620

Thermal Properties

Latent Heat of Fusion, J/g 310
230
Melting Completion (Liquidus), °C 1460
1240
Melting Onset (Solidus), °C 1410
1170
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 12
28
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 75
41
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 13
5.1
Embodied Energy, MJ/kg 190
74
Embodied Water, L/kg 250
280

Common Calculations

Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 43
12 to 19
Strength to Weight: Bending, points 32
13 to 18
Thermal Diffusivity, mm2/s 3.2
7.7
Thermal Shock Resistance, points 38
12 to 20

Alloy Composition

Aluminum (Al), % 0.2 to 0.8
0
Boron (B), % 0 to 0.0030
0
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 17 to 21
0
Copper (Cu), % 0 to 0.3
63.5 to 70.6
Iron (Fe), % 11.6 to 24.6
0.4 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.35
0 to 1.0
Molybdenum (Mo), % 2.8 to 3.3
0
Nickel (Ni), % 50 to 55
29 to 33
Niobium (Nb), % 4.8 to 5.5
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.65 to 1.2
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5