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CR018A Copper vs. AWS ERNi-1

CR018A copper belongs to the copper alloys classification, while AWS ERNi-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 CR018A copper and the bottom bar is AWS ERNi-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 220
470

Thermal Properties

Latent Heat of Fusion, J/g 210
300
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 390
73
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
19
Electrical Conductivity: Equal Weight (Specific), % IACS 100
19

Otherwise Unclassified Properties

Base Metal Price, % relative 33
60
Density, g/cm3 9.0
8.7
Embodied Carbon, kg CO2/kg material 2.7
11
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 360
230

Common Calculations

Stiffness to Weight: Axial, points 7.2
12
Stiffness to Weight: Bending, points 18
22
Strength to Weight: Axial, points 6.8
15
Strength to Weight: Bending, points 9.0
15
Thermal Diffusivity, mm2/s 110
19
Thermal Shock Resistance, points 7.8
17

Alloy Composition

Aluminum (Al), % 0
0 to 1.5
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 99.914 to 99.94
0 to 0.25
Iron (Fe), % 0
0 to 1.0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
93 to 98
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.75
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
2.0 to 3.5
Residuals, % 0
0 to 0.5