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AISI 317LMN Stainless Steel vs. S32520 Stainless Steel

Both AISI 317LMN stainless steel and S32520 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 90% of their average alloy composition in common. There are 34 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 317LMN stainless steel and the bottom bar is S32520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
28
Fatigue Strength, MPa 250
460
Poisson's Ratio 0.28
0.27
Reduction in Area, % 56
46
Shear Modulus, GPa 79
80
Shear Strength, MPa 430
560
Tensile Strength: Ultimate (UTS), MPa 620
860
Tensile Strength: Yield (Proof), MPa 270
630

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1020
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
20
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.8
4.0
Embodied Energy, MJ/kg 65
55
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 36
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
220
Resilience: Unit (Modulus of Resilience), kJ/m3 180
960
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
31
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 3.8
4.1
Thermal Shock Resistance, points 14
24

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17 to 20
24 to 26
Copper (Cu), % 0
0.5 to 2.0
Iron (Fe), % 54.4 to 65.4
57.3 to 66.8
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
3.0 to 4.0
Nickel (Ni), % 13.5 to 17.5
5.5 to 8.0
Nitrogen (N), % 0.1 to 0.2
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