MakeItFrom.com
Menu (ESC)

S31254 Stainless Steel vs. AISI 201LN Stainless Steel

Both S31254 stainless steel and AISI 201LN stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 33 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 S31254 stainless steel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
25 to 51
Fatigue Strength, MPa 290
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 490
530 to 680
Tensile Strength: Ultimate (UTS), MPa 720
740 to 1060
Tensile Strength: Yield (Proof), MPa 330
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1090
880
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.5
2.6
Embodied Energy, MJ/kg 74
38
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 44
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 270
310 to 1520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
27 to 38
Strength to Weight: Bending, points 22
24 to 30
Thermal Diffusivity, mm2/s 3.8
4.0
Thermal Shock Resistance, points 15
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19.5 to 20.5
16 to 17.5
Copper (Cu), % 0.5 to 1.0
0 to 1.0
Iron (Fe), % 51.4 to 56.3
67.9 to 73.5
Manganese (Mn), % 0 to 1.0
6.4 to 7.5
Molybdenum (Mo), % 6.0 to 6.5
0
Nickel (Ni), % 17.5 to 18.5
4.0 to 5.0
Nitrogen (N), % 0.18 to 0.22
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.8
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.015