MakeItFrom.com
Menu (ESC)

EN 1.4558 Stainless Steel vs. S66286 Stainless Steel

Both EN 1.4558 stainless steel and S66286 stainless steel are iron alloys. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4558 stainless steel and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
17 to 40
Fatigue Strength, MPa 170
240 to 410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 350
420 to 630
Tensile Strength: Ultimate (UTS), MPa 510
620 to 1020
Tensile Strength: Yield (Proof), MPa 200
280 to 670

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 480
780
Maximum Temperature: Mechanical, °C 1100
920
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 31
26
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.5
6.0
Embodied Energy, MJ/kg 77
87
Embodied Water, L/kg 200
170

Common Calculations

PREN (Pitting Resistance) 22
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
150 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 100
190 to 1150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
22 to 36
Strength to Weight: Bending, points 18
20 to 28
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 12
13 to 22

Alloy Composition

Aluminum (Al), % 0.15 to 0.45
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 20 to 23
13.5 to 16
Iron (Fe), % 39.2 to 47.9
49.1 to 59.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 32 to 35
24 to 27
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.6
1.9 to 2.4
Vanadium (V), % 0
0.1 to 0.5