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Nickel 689 vs. C71500 Copper-nickel

Nickel 689 belongs to the nickel alloys classification, while C71500 copper-nickel belongs to the copper alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is nickel 689 and the bottom bar is C71500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
52
Tensile Strength: Ultimate (UTS), MPa 1250
380 to 620

Thermal Properties

Latent Heat of Fusion, J/g 330
230
Maximum Temperature: Mechanical, °C 990
260
Melting Completion (Liquidus), °C 1440
1240
Melting Onset (Solidus), °C 1390
1170
Specific Heat Capacity, J/kg-K 450
400
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
41
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 11
5.1
Embodied Energy, MJ/kg 150
74
Embodied Water, L/kg 330
280

Common Calculations

Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 41
12 to 19
Strength to Weight: Bending, points 30
13 to 18
Thermal Shock Resistance, points 35
12 to 20

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.1 to 0.2
0
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 9.0 to 11
0
Copper (Cu), % 0
63.5 to 70.6
Iron (Fe), % 0 to 5.0
0.4 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 9.0 to 10.5
0
Nickel (Ni), % 48.3 to 60.9
29 to 33
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.3 to 2.8
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5