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AISI 303 Stainless Steel vs. N06985 Nickel

AISI 303 stainless steel belongs to the iron alloys classification, while N06985 nickel belongs to the nickel alloys. They have 48% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 303 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, % 40 to 51
45
Fatigue Strength, MPa 230 to 360
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Shear Strength, MPa 430 to 470
480
Tensile Strength: Ultimate (UTS), MPa 600 to 690
690
Tensile Strength: Yield (Proof), MPa 230 to 420
260

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 930
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 16
10
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
55
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.0
8.8
Embodied Energy, MJ/kg 42
120
Embodied Water, L/kg 140
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
250
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 440
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21 to 25
23
Strength to Weight: Bending, points 20 to 22
21
Thermal Diffusivity, mm2/s 4.4
2.6
Thermal Shock Resistance, points 13 to 15
16

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.015
Chromium (Cr), % 17 to 19
21 to 23.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 67.3 to 74.9
18 to 21
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 8.0 to 10
35.9 to 53.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.2
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.030
Tungsten (W), % 0
0 to 1.5