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AISI 409 Stainless Steel vs. N08320 Stainless Steel

Both AISI 409 stainless steel and N08320 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 32 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 N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
40
Fatigue Strength, MPa 140
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Shear Strength, MPa 270
400
Tensile Strength: Ultimate (UTS), MPa 420
580
Tensile Strength: Yield (Proof), MPa 200
220

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 710
1100
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
28
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.0
4.9
Embodied Energy, MJ/kg 28
69
Embodied Water, L/kg 94
200

Common Calculations

PREN (Pitting Resistance) 11
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
180
Resilience: Unit (Modulus of Resilience), kJ/m3 100
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 6.7
3.3
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 10.5 to 11.7
21 to 23
Iron (Fe), % 84.9 to 89.5
40.4 to 50
Manganese (Mn), % 0 to 1.0
0 to 2.5
Nickel (Ni), % 0 to 0.5
25 to 27
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.75
0