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AISI 310MoLN Stainless Steel vs. S82122 Stainless Steel

Both AISI 310MoLN stainless steel and S82122 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 74% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 310MoLN stainless steel and the bottom bar is S82122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
34
Fatigue Strength, MPa 210
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Shear Strength, MPa 400
460
Tensile Strength: Ultimate (UTS), MPa 610
680
Tensile Strength: Yield (Proof), MPa 290
450

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1380
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 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.0
2.6
Embodied Energy, MJ/kg 70
37
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 34
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
210
Resilience: Unit (Modulus of Resilience), kJ/m3 200
510
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 24 to 26
20.5 to 21.5
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 45.2 to 53.8
68.9 to 75.4
Manganese (Mn), % 0 to 2.0
2.0 to 4.0
Molybdenum (Mo), % 1.6 to 2.6
0 to 0.6
Nickel (Ni), % 20.5 to 23.5
1.5 to 2.5
Nitrogen (N), % 0.090 to 0.15
0.15 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.020