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S31266 Stainless Steel vs. EN 1.4864 Stainless Steel

Both S31266 stainless steel and EN 1.4864 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 32 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 S31266 stainless steel and the bottom bar is EN 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 40
33
Fatigue Strength, MPa 400
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
75
Shear Strength, MPa 590
430
Tensile Strength: Ultimate (UTS), MPa 860
650
Tensile Strength: Yield (Proof), MPa 470
260

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1470
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
13
Thermal Expansion, µm/m-K 16
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
30
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 6.5
5.3
Embodied Energy, MJ/kg 89
75
Embodied Water, L/kg 220
180

Common Calculations

PREN (Pitting Resistance) 54
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
170
Resilience: Unit (Modulus of Resilience), kJ/m3 540
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
23
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 3.1
3.3
Thermal Shock Resistance, points 18
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 23 to 25
15 to 17
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 34.1 to 46
41.7 to 51
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
33 to 37
Nitrogen (N), % 0.35 to 0.6
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 1.5 to 2.5
0