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AISI 317 Stainless Steel vs. S31100 Stainless Steel

Both AISI 317 stainless steel and S31100 stainless steel are iron alloys. 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 (1, in this case) are not shown.

For each property being compared, the top bar is AISI 317 stainless steel and the bottom bar is S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 35 to 55
4.5
Fatigue Strength, MPa 250 to 330
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
79
Shear Strength, MPa 420 to 470
580
Tensile Strength: Ultimate (UTS), MPa 580 to 710
1000
Tensile Strength: Yield (Proof), MPa 250 to 420
710

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
470
Maximum Temperature: Mechanical, °C 590
1100
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 21
16
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.3
3.1
Embodied Energy, MJ/kg 59
44
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 31
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
40
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
1240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
36
Strength to Weight: Bending, points 20 to 22
29
Thermal Diffusivity, mm2/s 4.1
4.2
Thermal Shock Resistance, points 12 to 15
28

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.060
Chromium (Cr), % 18 to 20
25 to 27
Iron (Fe), % 58 to 68
63.6 to 69
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
6.0 to 7.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.25