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AWS ERNiCrFe-5 vs. CR021A Copper

AWS ERNiCrFe-5 belongs to the nickel alloys classification, while CR021A copper belongs to the copper 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 AWS ERNiCrFe-5 and the bottom bar is CR021A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 34
15
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 74
43
Tensile Strength: Ultimate (UTS), MPa 630
230

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Melting Completion (Liquidus), °C 1390
1090
Melting Onset (Solidus), °C 1340
1040
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 14
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
98
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
99

Otherwise Unclassified Properties

Base Metal Price, % relative 65
31
Density, g/cm3 8.5
9.0
Embodied Carbon, kg CO2/kg material 11
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 250
320

Common Calculations

Stiffness to Weight: Axial, points 12
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 20
7.1
Strength to Weight: Bending, points 19
9.3
Thermal Diffusivity, mm2/s 3.6
110
Thermal Shock Resistance, points 19
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 14 to 17
0
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
99.95 to 99.998
Iron (Fe), % 6.0 to 10
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 70 to 78.5
0
Niobium (Nb), % 1.5 to 3.0
0
Phosphorus (P), % 0 to 0.030
0.0020 to 0.0070
Silicon (Si), % 0 to 0.35
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.015
0
Residuals, % 0 to 0.5
0