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AISI 301LN Stainless Steel vs. S32050 Stainless Steel

Both AISI 301LN stainless steel and S32050 stainless steel are iron alloys. They have 73% of their average alloy composition in common.

For each property being compared, the top bar is AISI 301LN stainless steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23 to 51
46
Fatigue Strength, MPa 270 to 520
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
81
Shear Strength, MPa 450 to 670
540
Tensile Strength: Ultimate (UTS), MPa 630 to 1060
770
Tensile Strength: Yield (Proof), MPa 270 to 770
370

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.7
6.0
Embodied Energy, MJ/kg 39
81
Embodied Water, L/kg 130
210

Common Calculations

PREN (Pitting Resistance) 19
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 290
290
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1520
330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 38
27
Strength to Weight: Bending, points 21 to 30
23
Thermal Diffusivity, mm2/s 4.0
3.3
Thermal Shock Resistance, points 14 to 24
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 16 to 18
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 70.7 to 77.9
43.1 to 51.8
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
6.0 to 6.6
Nickel (Ni), % 6.0 to 8.0
20 to 23
Nitrogen (N), % 0.070 to 0.2
0.21 to 0.32
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020