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AISI 310S Stainless Steel vs. AISI 301LN Stainless Steel

Both AISI 310S stainless steel and AISI 301LN stainless steel are iron alloys. They have 78% of their average alloy composition in common.

For each property being compared, the top bar is AISI 310S stainless steel and the bottom bar is AISI 301LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 44
23 to 51
Fatigue Strength, MPa 250 to 280
270 to 520
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420 to 470
450 to 670
Tensile Strength: Ultimate (UTS), MPa 600 to 710
630 to 1060
Tensile Strength: Yield (Proof), MPa 270 to 350
270 to 770

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
890
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 25
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 61
39
Embodied Water, L/kg 190
130

Common Calculations

PREN (Pitting Resistance) 25
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
220 to 290
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
180 to 1520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
22 to 38
Strength to Weight: Bending, points 20 to 22
21 to 30
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 14 to 16
14 to 24

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 24 to 26
16 to 18
Iron (Fe), % 48.3 to 57
70.7 to 77.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 19 to 22
6.0 to 8.0
Nitrogen (N), % 0
0.070 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030