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S66286 Stainless Steel vs. N08810 Stainless Steel

Both S66286 stainless steel and N08810 stainless steel are iron alloys. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is S66286 stainless steel and the bottom bar is N08810 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 40
33
Fatigue Strength, MPa 240 to 410
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 420 to 630
340
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
520
Tensile Strength: Yield (Proof), MPa 280 to 670
200

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 780
490
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
14

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 26
30
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 6.0
5.3
Embodied Energy, MJ/kg 87
76
Embodied Water, L/kg 170
200

Common Calculations

PREN (Pitting Resistance) 19
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 1150
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 36
18
Strength to Weight: Bending, points 20 to 28
18
Thermal Diffusivity, mm2/s 4.0
3.0
Thermal Shock Resistance, points 13 to 22
13

Alloy Composition

Aluminum (Al), % 0 to 0.35
0.15 to 0.6
Boron (B), % 0.0010 to 0.010
0
Carbon (C), % 0 to 0.080
0.050 to 0.1
Chromium (Cr), % 13.5 to 16
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 49.1 to 59.5
39.5 to 50.7
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 1.0 to 1.5
0
Nickel (Ni), % 24 to 27
30 to 35
Phosphorus (P), % 0 to 0.040
0 to 0.045
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
0.15 to 0.6
Vanadium (V), % 0.1 to 0.5
0