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Nickel 725 vs. N08020 Stainless Steel

Nickel 725 belongs to the nickel alloys classification, while N08020 stainless steel belongs to the iron alloys. They have 67% 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 N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
15 to 34
Fatigue Strength, MPa 260
210 to 240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 580
380 to 410
Tensile Strength: Ultimate (UTS), MPa 860
610 to 620
Tensile Strength: Yield (Proof), MPa 350
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1340
1410
Melting Onset (Solidus), °C 1270
1360
Specific Heat Capacity, J/kg-K 440
460
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 75
38
Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 13
6.6
Embodied Energy, MJ/kg 190
92
Embodied Water, L/kg 270
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 300
180 to 440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 24
20
Thermal Shock Resistance, points 23
15

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 19 to 22.5
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 2.3 to 15.3
29.9 to 44
Manganese (Mn), % 0 to 0.35
0 to 2.0
Molybdenum (Mo), % 7.0 to 9.5
2.0 to 3.0
Nickel (Ni), % 55 to 59
32 to 38
Niobium (Nb), % 2.8 to 4.0
0 to 1.0
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.035
Titanium (Ti), % 1.0 to 1.7
0