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C70700 Copper-nickel vs. AWS E2594

C70700 copper-nickel belongs to the copper alloys classification, while AWS E2594 belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is AWS E2594.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 39
17
Poisson's Ratio 0.34
0.27
Shear Modulus, GPa 46
81
Tensile Strength: Ultimate (UTS), MPa 320
850

Thermal Properties

Latent Heat of Fusion, J/g 220
300
Melting Completion (Liquidus), °C 1120
1440
Melting Onset (Solidus), °C 1060
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 59
16
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
22
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
4.3
Embodied Energy, MJ/kg 52
60
Embodied Water, L/kg 300
190

Common Calculations

Stiffness to Weight: Axial, points 7.6
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 10
30
Strength to Weight: Bending, points 12
25
Thermal Diffusivity, mm2/s 17
4.3
Thermal Shock Resistance, points 12
21

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
24 to 27
Copper (Cu), % 88.5 to 90.5
0 to 0.75
Iron (Fe), % 0 to 0.050
53.8 to 63.8
Manganese (Mn), % 0 to 0.5
0.5 to 2.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 9.5 to 10.5
8.0 to 10.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0