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Nickel 725 vs. N08926 Stainless Steel

Nickel 725 belongs to the nickel alloys classification, while N08926 stainless steel belongs to the iron alloys. 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 (5, in this case) are not shown.

For each property being compared, the top bar is nickel 725 and the bottom bar is N08926 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
40
Fatigue Strength, MPa 260
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
80
Shear Strength, MPa 580
500
Tensile Strength: Ultimate (UTS), MPa 860
740
Tensile Strength: Yield (Proof), MPa 350
330

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1340
1460
Melting Onset (Solidus), °C 1270
1410
Specific Heat Capacity, J/kg-K 440
460
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 75
33
Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 13
6.2
Embodied Energy, MJ/kg 190
84
Embodied Water, L/kg 270
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
240
Resilience: Unit (Modulus of Resilience), kJ/m3 300
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 23
16

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 19 to 22.5
19 to 21
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 2.3 to 15.3
41.7 to 50.4
Manganese (Mn), % 0 to 0.35
0 to 2.0
Molybdenum (Mo), % 7.0 to 9.5
6.0 to 7.0
Nickel (Ni), % 55 to 59
24 to 26
Niobium (Nb), % 2.8 to 4.0
0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 1.0 to 1.7
0