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AISI 409 Stainless Steel vs. Nickel 22

AISI 409 stainless steel belongs to the iron alloys classification, while nickel 22 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 409 stainless steel and the bottom bar is nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 24
49
Fatigue Strength, MPa 140
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
84
Shear Strength, MPa 270
560
Tensile Strength: Ultimate (UTS), MPa 420
790
Tensile Strength: Yield (Proof), MPa 200
360

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 710
990
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 25
10
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
70
Density, g/cm3 7.7
8.9
Embodied Carbon, kg CO2/kg material 2.0
12
Embodied Energy, MJ/kg 28
170
Embodied Water, L/kg 94
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
320
Resilience: Unit (Modulus of Resilience), kJ/m3 100
300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 15
25
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 6.7
2.7
Thermal Shock Resistance, points 15
24

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.015
Chromium (Cr), % 10.5 to 11.7
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Iron (Fe), % 84.9 to 89.5
2.0 to 6.0
Manganese (Mn), % 0 to 1.0
0 to 0.015
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0 to 0.5
50.8 to 63
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.080
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0 to 0.75
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35