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AISI 317 Stainless Steel vs. S31266 Stainless Steel

Both AISI 317 stainless steel and S31266 stainless steel are iron alloys. They have 77% 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 317 stainless steel and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 35 to 55
40
Fatigue Strength, MPa 250 to 330
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
81
Shear Strength, MPa 420 to 470
590
Tensile Strength: Ultimate (UTS), MPa 580 to 710
860
Tensile Strength: Yield (Proof), MPa 250 to 420
470

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 590
1100
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 21
37
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 4.3
6.5
Embodied Energy, MJ/kg 59
89
Embodied Water, L/kg 160
220

Common Calculations

PREN (Pitting Resistance) 31
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
290
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 25
29
Strength to Weight: Bending, points 20 to 22
24
Thermal Diffusivity, mm2/s 4.1
3.1
Thermal Shock Resistance, points 12 to 15
18

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 18 to 20
23 to 25
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 58 to 68
34.1 to 46
Manganese (Mn), % 0 to 2.0
2.0 to 4.0
Molybdenum (Mo), % 3.0 to 4.0
5.2 to 6.2
Nickel (Ni), % 11 to 15
21 to 24
Nitrogen (N), % 0 to 0.1
0.35 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5