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AISI 446 Stainless Steel vs. N06650 Nickel

AISI 446 stainless steel belongs to the iron alloys classification, while N06650 nickel belongs to the nickel alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AISI 446 stainless steel and the bottom bar is N06650 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
50
Fatigue Strength, MPa 200
420
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
82
Shear Strength, MPa 360
640
Tensile Strength: Ultimate (UTS), MPa 570
900
Tensile Strength: Yield (Proof), MPa 300
460

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 1180
980
Melting Completion (Liquidus), °C 1510
1500
Melting Onset (Solidus), °C 1430
1450
Specific Heat Capacity, J/kg-K 490
440
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
60
Density, g/cm3 7.7
8.6
Embodied Carbon, kg CO2/kg material 2.4
10
Embodied Energy, MJ/kg 35
140
Embodied Water, L/kg 150
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
380
Resilience: Unit (Modulus of Resilience), kJ/m3 230
490
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
24
Thermal Shock Resistance, points 19
24

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.5
Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 23 to 27
19 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 69.2 to 77
12 to 16
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0
9.5 to 12.5
Nickel (Ni), % 0 to 0.75
44.4 to 58.9
Niobium (Nb), % 0
0.050 to 0.5
Nitrogen (N), % 0 to 0.25
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
0.5 to 2.5