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AISI 317 Stainless Steel vs. S32520 Stainless Steel

Both AISI 317 stainless steel and S32520 stainless steel are iron alloys. They have a moderately high 93% 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 AISI 317 stainless steel and the bottom bar is S32520 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
28
Fatigue Strength, MPa 250 to 330
460
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
80
Shear Strength, MPa 420 to 470
560
Tensile Strength: Ultimate (UTS), MPa 580 to 710
860
Tensile Strength: Yield (Proof), MPa 250 to 420
630

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 590
1100
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
4.0
Embodied Energy, MJ/kg 59
55
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 31
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
220
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
960
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
31
Strength to Weight: Bending, points 20 to 22
26
Thermal Diffusivity, mm2/s 4.1
4.1
Thermal Shock Resistance, points 12 to 15
24

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 18 to 20
24 to 26
Copper (Cu), % 0
0.5 to 2.0
Iron (Fe), % 58 to 68
57.3 to 66.8
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 3.0 to 4.0
3.0 to 4.0
Nickel (Ni), % 11 to 15
5.5 to 8.0
Nitrogen (N), % 0 to 0.1
0.2 to 0.35
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020