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S31260 Stainless Steel vs. AISI 201L Stainless Steel

Both S31260 stainless steel and AISI 201L stainless steel are iron alloys. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is S31260 stainless steel and the bottom bar is AISI 201L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
190 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
22 to 46
Fatigue Strength, MPa 370
270 to 530
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 500
520 to 660
Tensile Strength: Ultimate (UTS), MPa 790
740 to 1040
Tensile Strength: Yield (Proof), MPa 540
290 to 790

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
880
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.9
2.6
Embodied Energy, MJ/kg 53
38
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 39
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 720
220 to 1570
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
27 to 37
Strength to Weight: Bending, points 24
24 to 30
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 22
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
16 to 18
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 59.6 to 67.6
67.9 to 75
Manganese (Mn), % 0 to 1.0
5.5 to 7.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 5.5 to 7.5
3.5 to 5.5
Nitrogen (N), % 0.1 to 0.3
0 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0.1 to 0.5
0