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AWS ERNiCrMo-3 vs. CC381H Copper-nickel

AWS ERNiCrMo-3 belongs to the nickel alloys classification, while CC381H 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 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-3 and the bottom bar is CC381H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Elongation at Break, % 34
20
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 79
52
Tensile Strength: Ultimate (UTS), MPa 870
380

Thermal Properties

Latent Heat of Fusion, J/g 330
240
Melting Completion (Liquidus), °C 1480
1180
Melting Onset (Solidus), °C 1430
1120
Specific Heat Capacity, J/kg-K 440
410
Thermal Conductivity, W/m-K 11
30
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 80
40
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 14
5.0
Embodied Energy, MJ/kg 190
73
Embodied Water, L/kg 290
280

Common Calculations

Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 28
12
Strength to Weight: Bending, points 24
13
Thermal Diffusivity, mm2/s 2.8
8.4
Thermal Shock Resistance, points 25
13

Alloy Composition


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Aluminum (Al), % 0 to 0.4
0 to 0.010
Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 20 to 23
0
Copper (Cu), % 0 to 0.5
64.5 to 69.9
Iron (Fe), % 0 to 5.0
0.5 to 1.5
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 0.5
0.6 to 1.2
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
29 to 31
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0 to 0.4
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0 to 0.5
0