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CR021A Copper vs. AWS ENi-1

CR021A copper belongs to the copper alloys classification, while AWS ENi-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 ENi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
180
Elongation at Break, % 15
22
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
69
Tensile Strength: Ultimate (UTS), MPa 230
470

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Melting Completion (Liquidus), °C 1090
1360
Melting Onset (Solidus), °C 1040
1310
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 380
73
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
19
Electrical Conductivity: Equal Weight (Specific), % IACS 99
19

Otherwise Unclassified Properties

Base Metal Price, % relative 31
60
Density, g/cm3 9.0
8.7
Embodied Carbon, kg CO2/kg material 2.6
11
Embodied Energy, MJ/kg 41
150
Embodied Water, L/kg 320
230

Common Calculations

Stiffness to Weight: Axial, points 7.2
12
Stiffness to Weight: Bending, points 18
22
Strength to Weight: Axial, points 7.1
15
Strength to Weight: Bending, points 9.3
15
Thermal Diffusivity, mm2/s 110
19
Thermal Shock Resistance, points 8.1
17

Alloy Composition

Aluminum (Al), % 0
0 to 1.0
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 99.95 to 99.998
0 to 0.25
Iron (Fe), % 0
0 to 0.75
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 0.75
Nickel (Ni), % 0
92 to 99
Phosphorus (P), % 0.0020 to 0.0070
0 to 0.030
Silicon (Si), % 0
0 to 1.3
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
1.0 to 4.0
Residuals, % 0
0 to 0.5