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S66286 Stainless Steel vs. EN 1.4557 Stainless Steel

Both S66286 stainless steel and EN 1.4557 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 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 S66286 stainless steel and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 40
40
Fatigue Strength, MPa 240 to 410
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
560
Tensile Strength: Yield (Proof), MPa 280 to 670
300

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 780
420
Maximum Temperature: Mechanical, °C 920
1090
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 26
29
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 6.0
5.6
Embodied Energy, MJ/kg 87
76
Embodied Water, L/kg 170
190

Common Calculations

PREN (Pitting Resistance) 19
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
190
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 1150
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 36
19
Strength to Weight: Bending, points 20 to 28
19
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 13 to 22
12

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 0.020
Chromium (Cr), % 13.5 to 16
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 49.1 to 59.5
49.5 to 56.3
Manganese (Mn), % 0 to 2.0
0 to 1.2
Molybdenum (Mo), % 1.0 to 1.5
6.0 to 7.0
Nickel (Ni), % 24 to 27
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 1.9 to 2.4
0
Vanadium (V), % 0.1 to 0.5
0