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N08020 Stainless Steel vs. Nickel 690

N08020 stainless steel belongs to the iron alloys classification, while nickel 690 belongs to the nickel 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 N08020 stainless steel and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 15 to 34
3.4 to 34
Fatigue Strength, MPa 210 to 240
180 to 300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 380 to 410
420 to 570
Tensile Strength: Ultimate (UTS), MPa 610 to 620
640 to 990
Tensile Strength: Yield (Proof), MPa 270 to 420
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1410
1380
Melting Onset (Solidus), °C 1360
1340
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
14
Thermal Expansion, µm/m-K 15
14

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 38
50
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 6.6
8.2
Embodied Energy, MJ/kg 92
120
Embodied Water, L/kg 220
290

Common Calculations

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

Alloy Composition

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

Comparable Variants