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Nickel 693 vs. Nickel 908

Both nickel 693 and nickel 908 are nickel alloys. Both are furnished in the annealed condition. They have 61% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is nickel 693 and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 34
11
Fatigue Strength, MPa 230
450
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
70
Shear Strength, MPa 440
800
Tensile Strength: Ultimate (UTS), MPa 660
1340
Tensile Strength: Yield (Proof), MPa 310
930

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 1010
920
Melting Completion (Liquidus), °C 1350
1430
Melting Onset (Solidus), °C 1310
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 9.1
11
Thermal Expansion, µm/m-K 13
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 60
50
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 9.9
9.3
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 320
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 250
2340
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23
45
Strength to Weight: Bending, points 21
33
Thermal Diffusivity, mm2/s 2.3
2.9
Thermal Shock Resistance, points 19
61

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 27 to 31
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 2.5 to 6.0
35.6 to 44.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 53.3 to 67.5
47 to 51
Niobium (Nb), % 0.5 to 2.5
2.7 to 3.3
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.0050
Titanium (Ti), % 0 to 1.0
1.2 to 1.8