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S31266 Stainless Steel vs. EN 1.4501 Stainless Steel

Both S31266 stainless steel and EN 1.4501 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S31266 stainless steel and the bottom bar is EN 1.4501 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
27
Fatigue Strength, MPa 400
430
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
80
Shear Strength, MPa 590
540
Tensile Strength: Ultimate (UTS), MPa 860
830
Tensile Strength: Yield (Proof), MPa 470
600

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
22
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 6.5
4.1
Embodied Energy, MJ/kg 89
57
Embodied Water, L/kg 220
180

Common Calculations

PREN (Pitting Resistance) 54
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
210
Resilience: Unit (Modulus of Resilience), kJ/m3 540
870
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
29
Strength to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 18
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 23 to 25
24 to 26
Copper (Cu), % 1.0 to 2.5
0.5 to 1.0
Iron (Fe), % 34.1 to 46
57.6 to 65.8
Manganese (Mn), % 2.0 to 4.0
0 to 1.0
Molybdenum (Mo), % 5.2 to 6.2
3.0 to 4.0
Nickel (Ni), % 21 to 24
6.0 to 8.0
Nitrogen (N), % 0.35 to 0.6
0.2 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 1.5 to 2.5
0.5 to 1.0