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S15500 Stainless Steel vs. N06920 Nickel

S15500 stainless steel belongs to the iron alloys classification, while N06920 nickel belongs to the nickel alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S15500 stainless steel and the bottom bar is N06920 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 6.8 to 16
39
Fatigue Strength, MPa 350 to 650
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
82
Shear Strength, MPa 540 to 870
500
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
730
Tensile Strength: Yield (Proof), MPa 590 to 1310
270

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 820
990
Melting Completion (Liquidus), °C 1430
1500
Melting Onset (Solidus), °C 1380
1440
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 17
11
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
55
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 2.7
9.4
Embodied Energy, MJ/kg 39
130
Embodied Water, L/kg 130
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
230
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 32 to 53
24
Strength to Weight: Bending, points 26 to 37
21
Thermal Diffusivity, mm2/s 4.6
2.8
Thermal Shock Resistance, points 30 to 50
19

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 14 to 15.5
20.5 to 23
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
17 to 20
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 3.5 to 5.5
36.9 to 53.5
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
1.0 to 3.0