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AISI 415 Stainless Steel vs. N06985 Nickel

AISI 415 stainless steel belongs to the iron alloys classification, while N06985 nickel belongs to the nickel alloys. They have a modest 38% 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 (5, in this case) are not shown.

For each property being compared, the top bar is AISI 415 stainless steel and the bottom bar is N06985 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
45
Fatigue Strength, MPa 430
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 550
480
Tensile Strength: Ultimate (UTS), MPa 900
690
Tensile Strength: Yield (Proof), MPa 700
260

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 780
990
Melting Completion (Liquidus), °C 1450
1350
Melting Onset (Solidus), °C 1400
1260
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 24
10
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
55
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 2.5
8.8
Embodied Energy, MJ/kg 35
120
Embodied Water, L/kg 110
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
250
Resilience: Unit (Modulus of Resilience), kJ/m3 1250
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 32
23
Strength to Weight: Bending, points 26
21
Thermal Diffusivity, mm2/s 6.4
2.6
Thermal Shock Resistance, points 33
16

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.015
Chromium (Cr), % 11.5 to 14
21 to 23.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 77.8 to 84
18 to 21
Manganese (Mn), % 0.5 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.5 to 1.0
6.0 to 8.0
Nickel (Ni), % 3.5 to 5.5
35.9 to 53.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0 to 1.5