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AWS ERNiCrMo-3 vs. C18700 Copper

AWS ERNiCrMo-3 belongs to the nickel alloys classification, while C18700 copper belongs to the copper alloys. 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 C18700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
9.0 to 9.6
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 79
43
Tensile Strength: Ultimate (UTS), MPa 870
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 330
210
Melting Completion (Liquidus), °C 1480
1080
Melting Onset (Solidus), °C 1430
950
Specific Heat Capacity, J/kg-K 440
380
Thermal Conductivity, W/m-K 11
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
98
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
99

Otherwise Unclassified Properties

Base Metal Price, % relative 80
30
Density, g/cm3 8.6
9.0
Embodied Carbon, kg CO2/kg material 14
2.6
Embodied Energy, MJ/kg 190
41
Embodied Water, L/kg 290
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 28
9.0 to 10
Strength to Weight: Bending, points 24
11 to 12
Thermal Diffusivity, mm2/s 2.8
110
Thermal Shock Resistance, points 25
10 to 12

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.010
0
Chromium (Cr), % 20 to 23
0
Copper (Cu), % 0 to 0.5
98 to 99.2
Iron (Fe), % 0 to 5.0
0
Lead (Pb), % 0
0.8 to 1.5
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
0
Residuals, % 0 to 0.5
0 to 0.5