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Nickel 693 vs. Grade N7M Nickel

Both nickel 693 and grade N7M nickel are nickel alloys. They have 63% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 693 and the bottom bar is grade N7M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 34
22
Fatigue Strength, MPa 230
190
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
85
Tensile Strength: Ultimate (UTS), MPa 660
590
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Maximum Temperature: Mechanical, °C 1010
900
Melting Completion (Liquidus), °C 1350
1650
Melting Onset (Solidus), °C 1310
1590
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 13
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 60
75
Density, g/cm3 8.1
9.3
Embodied Carbon, kg CO2/kg material 9.9
16
Embodied Energy, MJ/kg 140
200
Embodied Water, L/kg 320
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 23
18
Strength to Weight: Bending, points 21
17
Thermal Shock Resistance, points 19
19

Alloy Composition

Aluminum (Al), % 2.5 to 4.0
0
Carbon (C), % 0 to 0.15
0 to 0.070
Chromium (Cr), % 27 to 31
0 to 1.0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
30 to 33
Nickel (Ni), % 53.3 to 67.5
60.9 to 70
Niobium (Nb), % 0.5 to 2.5
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 1.0
0