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EN 1.4646 Stainless Steel vs. S66286 Stainless Steel

Both EN 1.4646 stainless steel and S66286 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 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, % 34
17 to 40
Fatigue Strength, MPa 340
240 to 410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 500
420 to 630
Tensile Strength: Ultimate (UTS), MPa 750
620 to 1020
Tensile Strength: Yield (Proof), MPa 430
280 to 670

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
780
Maximum Temperature: Mechanical, °C 910
920
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 13
26
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
6.0
Embodied Energy, MJ/kg 41
87
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 23
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
150 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 460
190 to 1150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
22 to 36
Strength to Weight: Bending, points 24
20 to 28
Thermal Shock Resistance, points 16
13 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0.020 to 0.1
0 to 0.080
Chromium (Cr), % 17 to 19
13.5 to 16
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 59 to 67.3
49.1 to 59.5
Manganese (Mn), % 10.5 to 12.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
1.0 to 1.5
Nickel (Ni), % 3.5 to 4.5
24 to 27
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
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), % 0
1.9 to 2.4
Vanadium (V), % 0
0.1 to 0.5