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C70700 Copper-nickel vs. EN 1.4869 Casting Alloy

C70700 copper-nickel belongs to the copper alloys classification, while EN 1.4869 casting alloy belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is EN 1.4869 casting alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 39
5.7
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 46
80
Tensile Strength: Ultimate (UTS), MPa 320
540
Tensile Strength: Yield (Proof), MPa 110
310

Thermal Properties

Latent Heat of Fusion, J/g 220
330
Maximum Temperature: Mechanical, °C 220
1200
Melting Completion (Liquidus), °C 1120
1450
Melting Onset (Solidus), °C 1060
1390
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 59
10
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
70
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 3.4
7.7
Embodied Energy, MJ/kg 52
110
Embodied Water, L/kg 300
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
26
Resilience: Unit (Modulus of Resilience), kJ/m3 51
230
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 10
18
Strength to Weight: Bending, points 12
17
Thermal Diffusivity, mm2/s 17
2.6
Thermal Shock Resistance, points 12
14

Alloy Composition

Carbon (C), % 0
0.45 to 0.55
Chromium (Cr), % 0
24 to 26
Cobalt (Co), % 0
14 to 16
Copper (Cu), % 88.5 to 90.5
0
Iron (Fe), % 0 to 0.050
11.4 to 23.6
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 9.5 to 10.5
33 to 37
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
4.0 to 6.0
Residuals, % 0 to 0.5
0