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CR021A Copper vs. AWS ERNiCrCoMo-1

CR021A copper belongs to the copper alloys classification, while AWS ERNiCrCoMo-1 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 CR021A copper and the bottom bar is AWS ERNiCrCoMo-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 15
28
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
81
Tensile Strength: Ultimate (UTS), MPa 230
710

Thermal Properties

Latent Heat of Fusion, J/g 210
330
Melting Completion (Liquidus), °C 1090
1420
Melting Onset (Solidus), °C 1040
1370
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 380
13
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 99
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
75
Density, g/cm3 9.0
8.5
Embodied Carbon, kg CO2/kg material 2.6
10
Embodied Energy, MJ/kg 41
140
Embodied Water, L/kg 320
350

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 7.1
23
Strength to Weight: Bending, points 9.3
21
Thermal Diffusivity, mm2/s 110
3.5
Thermal Shock Resistance, points 8.1
19

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
20 to 24
Cobalt (Co), % 0
10 to 15
Copper (Cu), % 99.95 to 99.998
0 to 0.5
Iron (Fe), % 0
0 to 3.0
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
42.7 to 61.2
Phosphorus (P), % 0.0020 to 0.0070
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.6
Residuals, % 0
0 to 0.5