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S66286 Stainless Steel vs. EN 1.4662 Stainless Steel

Both S66286 stainless steel and EN 1.4662 stainless steel are iron alloys. They have 75% of their average alloy composition in common.

For each property being compared, the top bar is S66286 stainless steel and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 40
28
Fatigue Strength, MPa 240 to 410
430 to 450
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
79
Shear Strength, MPa 420 to 630
520 to 540
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
810 to 830
Tensile Strength: Yield (Proof), MPa 280 to 670
580 to 620

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 780
440
Maximum Temperature: Mechanical, °C 920
1090
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 26
16
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
3.2
Embodied Energy, MJ/kg 87
45
Embodied Water, L/kg 170
170

Common Calculations

PREN (Pitting Resistance) 19
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
210
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 1150
840 to 940
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 36
29 to 30
Strength to Weight: Bending, points 20 to 28
25
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 13 to 22
22

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 13.5 to 16
23 to 25
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 49.1 to 59.5
62.6 to 70.2
Manganese (Mn), % 0 to 2.0
2.5 to 4.0
Molybdenum (Mo), % 1.0 to 1.5
1.0 to 2.0
Nickel (Ni), % 24 to 27
3.0 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 1.9 to 2.4
0
Vanadium (V), % 0.1 to 0.5
0