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Nickel 690 vs. N08020 Stainless Steel

Nickel 690 belongs to the nickel alloys classification, while N08020 stainless steel belongs to the iron alloys. They have 65% of their average alloy composition in common. There are 30 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 690 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, % 3.4 to 34
15 to 34
Fatigue Strength, MPa 180 to 300
210 to 240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420 to 570
380 to 410
Tensile Strength: Ultimate (UTS), MPa 640 to 990
610 to 620
Tensile Strength: Yield (Proof), MPa 250 to 760
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1380
1410
Melting Onset (Solidus), °C 1340
1360
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 14
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 50
38
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 8.2
6.6
Embodied Energy, MJ/kg 120
92
Embodied Water, L/kg 290
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
180 to 440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 33
21
Strength to Weight: Bending, points 20 to 27
20
Thermal Diffusivity, mm2/s 3.5
3.2
Thermal Shock Resistance, points 16 to 25
15

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.070
Chromium (Cr), % 27 to 31
19 to 21
Copper (Cu), % 0 to 0.5
3.0 to 4.0
Iron (Fe), % 7.0 to 11
29.9 to 44
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 58 to 66
32 to 38
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.035

Comparable Variants