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EN 1.4606 Stainless Steel vs. S66286 Stainless Steel

Both EN 1.4606 stainless steel and S66286 stainless steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.4606 stainless steel and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23 to 39
17 to 40
Fatigue Strength, MPa 240 to 420
240 to 410
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
75
Shear Strength, MPa 410 to 640
420 to 630
Tensile Strength: Ultimate (UTS), MPa 600 to 1020
620 to 1020
Tensile Strength: Yield (Proof), MPa 280 to 630
280 to 670

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 770
780
Maximum Temperature: Mechanical, °C 910
920
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 26
26
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 6.0
6.0
Embodied Energy, MJ/kg 87
87
Embodied Water, L/kg 170
170

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 200
150 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 1010
190 to 1150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 36
22 to 36
Strength to Weight: Bending, points 20 to 28
20 to 28
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 21 to 35
13 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.35
Boron (B), % 0.0010 to 0.010
0.0010 to 0.010
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 13 to 16
13.5 to 16
Iron (Fe), % 49.2 to 59
49.1 to 59.5
Manganese (Mn), % 1.0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 1.5
1.0 to 1.5
Nickel (Ni), % 24 to 27
24 to 27
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 1.9 to 2.3
1.9 to 2.4
Vanadium (V), % 0.1 to 0.5
0.1 to 0.5

Comparable Variants