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S66286 Stainless Steel vs. EN 1.4590 Stainless Steel

Both S66286 stainless steel and EN 1.4590 stainless steel are iron alloys. They have 70% 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 1.4590 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 40
26
Fatigue Strength, MPa 240 to 410
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 420 to 630
310
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
480
Tensile Strength: Yield (Proof), MPa 280 to 670
270

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 780
470
Maximum Temperature: Mechanical, °C 920
860
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 26
11
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
2.5
Embodied Energy, MJ/kg 87
37
Embodied Water, L/kg 170
120

Common Calculations

PREN (Pitting Resistance) 19
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 1150
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 36
17
Strength to Weight: Bending, points 20 to 28
18
Thermal Diffusivity, mm2/s 4.0
7.0
Thermal Shock Resistance, points 13 to 22
17

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
16 to 17.5
Iron (Fe), % 49.1 to 59.5
79.7 to 83.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 1.5
0
Nickel (Ni), % 24 to 27
0
Niobium (Nb), % 0
0.35 to 0.55
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 1.9 to 2.4
0
Vanadium (V), % 0.1 to 0.5
0
Zirconium (Zr), % 0
0 to 0.15