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N06650 Nickel vs. AISI 444 Stainless Steel

N06650 nickel belongs to the nickel alloys classification, while AISI 444 stainless steel belongs to the iron alloys. They have a modest 36% 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 (8, in this case) are not shown.

For each property being compared, the top bar is N06650 nickel and the bottom bar is AISI 444 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 50
23
Fatigue Strength, MPa 420
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 82
78
Shear Strength, MPa 640
300
Tensile Strength: Ultimate (UTS), MPa 900
470
Tensile Strength: Yield (Proof), MPa 460
310

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 980
930
Melting Completion (Liquidus), °C 1500
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 60
15
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 10
3.4
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 270
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 380
95
Resilience: Unit (Modulus of Resilience), kJ/m3 490
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 24
17
Thermal Shock Resistance, points 24
16

Alloy Composition

Aluminum (Al), % 0.050 to 0.5
0
Carbon (C), % 0 to 0.030
0 to 0.025
Chromium (Cr), % 19 to 21
17.5 to 19.5
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 12 to 16
73.3 to 80.8
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 9.5 to 12.5
1.8 to 2.5
Nickel (Ni), % 44.4 to 58.9
0 to 1.0
Niobium (Nb), % 0.050 to 0.5
0.2 to 0.8
Nitrogen (N), % 0.050 to 0.2
0 to 0.035
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8
Tungsten (W), % 0.5 to 2.5
0