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AISI 310MoLN Stainless Steel vs. AISI 317LMN Stainless Steel

Both AISI 310MoLN stainless steel and AISI 317LMN stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is AISI 310MoLN stainless steel and the bottom bar is AISI 317LMN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
45
Fatigue Strength, MPa 210
250
Poisson's Ratio 0.28
0.28
Reduction in Area, % 45
56
Rockwell B Hardness 84
84
Shear Modulus, GPa 80
79
Shear Strength, MPa 400
430
Tensile Strength: Ultimate (UTS), MPa 610
620
Tensile Strength: Yield (Proof), MPa 290
270

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
1020
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 5.0
4.8
Embodied Energy, MJ/kg 70
65
Embodied Water, L/kg 200
170

Common Calculations

PREN (Pitting Resistance) 34
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
230
Resilience: Unit (Modulus of Resilience), kJ/m3 200
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 3.7
3.8
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 24 to 26
17 to 20
Iron (Fe), % 45.2 to 53.8
54.4 to 65.4
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.6 to 2.6
4.0 to 5.0
Nickel (Ni), % 20.5 to 23.5
13.5 to 17.5
Nitrogen (N), % 0.090 to 0.15
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030