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CR018A Copper vs. AWS ERNiCrMo-3

CR018A copper belongs to the copper alloys classification, while AWS ERNiCrMo-3 belongs to the nickel alloys. There are 24 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 CR018A copper and the bottom bar is AWS ERNiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
34
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
79
Tensile Strength: Ultimate (UTS), MPa 220
870

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Melting Completion (Liquidus), °C 1090
1480
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 390
11
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 100
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 33
80
Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 2.7
14
Embodied Energy, MJ/kg 42
190
Embodied Water, L/kg 360
290

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 6.8
28
Strength to Weight: Bending, points 9.0
24
Thermal Diffusivity, mm2/s 110
2.8
Thermal Shock Resistance, points 7.8
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 99.914 to 99.94
0 to 0.5
Iron (Fe), % 0
0 to 5.0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.4
Residuals, % 0
0 to 0.5