ASME SA182 F316Ti / UNS S31635 Stainless Steel Flange Nozzle Flange for Pressure Vessels
ASME SA182 F316Ti / UNS S31635 Stainless Steel Flange SORF Nozzle Flange for Pressure Vessels
Key characteristics of 316Ti
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Similar corrosion resistance to 316/316L, with molybdenum improving resistance to pitting and chlorides.
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Titanium stabilization ties up carbon, reducing sensitization and improving intergranular corrosion resistance after welding or high-temperature exposure.
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Good high-temperature strength and oxidation resistance.
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Weldable and machinable by standard stainless steel methods.
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Not immune to chloride stress corrosion cracking.
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A slip-on flange has lower fatigue strength than a weld neck flange, so it is generally less suitable for severe cyclic service or very high nozzle loads.
Equivalent Grades of ASME SA182 F316Ti / UNS S31635 Stainless Steel Flange Nozzle Flange for Pressure Vessels
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 316Ti | 1.4571 | S31635 | SUS 316Ti | 320S31 | 08Ch17N13M2T | Z6CNDT17‐123 | X6CrNiMoTi17-12-2 |
Chemical Composition of ASME SA182 F316Ti / UNS S31635 Stainless Steel Flange Nozzle Flange for Pressure Vessels
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| A182 F316Ti | 0.08max | 2max | 0.75max | 0.045max | 0.03max | 16-18 | 2-3 | 10-14 | 0.1Max |
Mechanical Properties of ASME SA182 F316Ti / UNS S31635 Stainless Steel Flange Nozzle Flange for Pressure Vessels
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1399 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| Type of ASTM A182 F316Ti Flanges | Size | |
| A182 F316Ti Slip-On Flanges | A182 F316Ti Threaded Flanges | 1/2″ – 48″Raised Face or Flat Face,RTJ |
| A182 F316Ti Weld Neck Flanges | A182 F316Ti Socket Weld Flanges | |
| A182 F316Ti Blind Flanges | A182 F316Ti Reducing Flanges | |
| A182 F316Ti Lap Joint Flanges | A182 F316Ti Plate Flanges | |
Applications
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Pressure vessel and tank nozzle flanges
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High-temperature petrochemical and refinery piping
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Heat exchangers and chemical process equipment
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Power generation, flue gas desulfurization, pulp and paper
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Piping systems where 316Ti is specified for elevated-temperature or welded service
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