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C17300 Copper vs. AWS ERNiCu-7

C17300 copper belongs to the copper alloys classification, while AWS ERNiCu-7 belongs to the nickel alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C17300 copper and the bottom bar is AWS ERNiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
160
Elongation at Break, % 3.0 to 23
34
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 45
61
Tensile Strength: Ultimate (UTS), MPa 500 to 1380
550

Thermal Properties

Latent Heat of Fusion, J/g 230
280
Melting Completion (Liquidus), °C 980
1280
Melting Onset (Solidus), °C 870
1240
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 110
20
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
3.2
Electrical Conductivity: Equal Weight (Specific), % IACS 23
3.3

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 9.4
8.5
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 310
250

Common Calculations

Stiffness to Weight: Axial, points 7.6
10
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 16 to 44
18
Strength to Weight: Bending, points 16 to 31
17
Thermal Diffusivity, mm2/s 32
5.3
Thermal Shock Resistance, points 17 to 48
19

Alloy Composition

Aluminum (Al), % 0 to 0.2
0 to 1.3
Beryllium (Be), % 1.8 to 2.0
0
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 95.5 to 97.8
18.3 to 36.5
Iron (Fe), % 0 to 0.4
0 to 2.5
Lead (Pb), % 0.2 to 0.6
0
Manganese (Mn), % 0
0 to 4.0
Nickel (Ni), % 0.2 to 0.6
62 to 69
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 1.3
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
1.5 to 3.0
Residuals, % 0
0 to 0.5