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S32808 Stainless Steel vs. AISI 317LN Stainless Steel

Both S32808 stainless steel and AISI 317LN stainless steel are iron alloys. Both are furnished in the annealed condition. They have 89% of their average alloy composition in common. There are 33 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 S32808 stainless steel and the bottom bar is AISI 317LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
45
Fatigue Strength, MPa 350
250
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
79
Shear Strength, MPa 480
430
Tensile Strength: Ultimate (UTS), MPa 780
620
Tensile Strength: Yield (Proof), MPa 570
270

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
21
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.0
4.3
Embodied Energy, MJ/kg 57
59
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 40
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 790
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
22
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 3.8
3.9
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 27 to 27.9
18 to 20
Iron (Fe), % 58.1 to 62.8
57.9 to 67.9
Manganese (Mn), % 0 to 1.1
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.2
3.0 to 4.0
Nickel (Ni), % 7.0 to 8.2
11 to 15
Nitrogen (N), % 0.3 to 0.4
0.1 to 0.22
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 2.1 to 2.5
0