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Grade CY40 Nickel vs. Nickel 908

Both grade CY40 nickel and nickel 908 are nickel alloys. They have 59% of their average alloy composition in common. There are 27 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 grade CY40 nickel and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 34
11
Fatigue Strength, MPa 160
450
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 74
70
Tensile Strength: Ultimate (UTS), MPa 540
1340
Tensile Strength: Yield (Proof), MPa 220
930

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 960
920
Melting Completion (Liquidus), °C 1350
1430
Melting Onset (Solidus), °C 1300
1380
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 14
11
Thermal Expansion, µm/m-K 12
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 55
50
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 9.1
9.3
Embodied Energy, MJ/kg 130
140
Embodied Water, L/kg 260
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
140
Resilience: Unit (Modulus of Resilience), kJ/m3 130
2340
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
45
Strength to Weight: Bending, points 18
33
Thermal Diffusivity, mm2/s 3.7
2.9
Thermal Shock Resistance, points 16
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0 to 0.4
0 to 0.030
Chromium (Cr), % 14 to 17
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 11
35.6 to 44.6
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 67 to 86
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 3.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
1.2 to 1.8