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S66286 Stainless Steel vs. N08925 Stainless Steel

Both S66286 stainless steel and N08925 stainless steel are iron alloys. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is S66286 stainless steel and the bottom bar is N08925 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 40
45
Fatigue Strength, MPa 240 to 410
310
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
80
Shear Strength, MPa 420 to 630
470
Tensile Strength: Ultimate (UTS), MPa 620 to 1020
680
Tensile Strength: Yield (Proof), MPa 280 to 670
340

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 780
420
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 17
16

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
33
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 6.0
6.2
Embodied Energy, MJ/kg 87
84
Embodied Water, L/kg 170
200

Common Calculations

PREN (Pitting Resistance) 19
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 200
250
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 1150
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 36
23
Strength to Weight: Bending, points 20 to 28
21
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 13 to 22
15

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 to 21
Copper (Cu), % 0
0.8 to 1.5
Iron (Fe), % 49.1 to 59.5
42.7 to 50.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 1.5
6.0 to 7.0
Nickel (Ni), % 24 to 27
24 to 26
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 1.9 to 2.4
0
Vanadium (V), % 0.1 to 0.5
0