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S32050 Stainless Steel vs. AISI 317 Stainless Steel

Both S32050 stainless steel and AISI 317 stainless steel are iron alloys. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is S32050 stainless steel and the bottom bar is AISI 317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
170 to 220
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 46
35 to 55
Fatigue Strength, MPa 340
250 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
79
Shear Strength, MPa 540
420 to 470
Tensile Strength: Ultimate (UTS), MPa 770
580 to 710
Tensile Strength: Yield (Proof), MPa 370
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1100
590
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 31
21
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.0
4.3
Embodied Energy, MJ/kg 81
59
Embodied Water, L/kg 210
160

Common Calculations

PREN (Pitting Resistance) 48
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
210 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 330
150 to 430
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
20 to 25
Strength to Weight: Bending, points 23
20 to 22
Thermal Diffusivity, mm2/s 3.3
4.1
Thermal Shock Resistance, points 17
12 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 22 to 24
18 to 20
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.1 to 51.8
58 to 68
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 6.0 to 6.6
3.0 to 4.0
Nickel (Ni), % 20 to 23
11 to 15
Nitrogen (N), % 0.21 to 0.32
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030