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AISI 317L Stainless Steel vs. S21460 Stainless Steel

Both AISI 317L stainless steel and S21460 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 85% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 317L stainless steel and the bottom bar is S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 44
46
Fatigue Strength, MPa 220
390
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
77
Shear Strength, MPa 380
580
Tensile Strength: Ultimate (UTS), MPa 550
830
Tensile Strength: Yield (Proof), MPa 250
430

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1010
920
Melting Completion (Liquidus), °C 1400
1380
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 21
14
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.3
3.0
Embodied Energy, MJ/kg 59
43
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 31
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
320
Resilience: Unit (Modulus of Resilience), kJ/m3 150
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
30
Strength to Weight: Bending, points 19
26
Thermal Shock Resistance, points 12
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 18 to 20
17 to 19
Iron (Fe), % 58 to 68
57.3 to 63.7
Manganese (Mn), % 0 to 2.0
14 to 16
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
5.0 to 6.0
Nitrogen (N), % 0 to 0.1
0.35 to 0.5
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030