MSS SP-97 A182 F316 Outlet Fittings

MSS SP-97 A182 F316 Outlet Fittings are integrally reinforced forged branch connection fittings compliant with the U.S. MSS SP-97 standard, manufactured from ASTM A182 F316 austenitic stainless steel for severe corrosive environments.

High Quality MSS SP-97 A182 F316 Outlet Fittings

  • Connection Types: Socket weld, buttweld, threaded.
  • Pressure Ratings: Class 3000, 6000, 9000 (~750 psi, 1500 psi, 2250 psi).
  • Reinforced Design: Forged construction provides extra thickness at the branch-to-header junction, eliminating the need for reinforcement pads
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SSM SP-97 Outlets Fittings Size Types & Class

Correlation of Fittings Class with Schedule Number or Run/Branch Wall Designation of Pipe for Calculation of Ratings

Class of FittingTypeBranch SizeRun Pipe Wall
for Ratings Basis		Branch Pipe Wall
for Ratings Basis
NPSDN
StandardButtwelding1/8-246-600StandardStandard
Extra StrongButtwelding1/8-246-600Extra StrongExtra Strong
Schedule 160Buttwelding1/2-615-150Schedule 160Schedule 160
Double Extra StrongButtwelding1/2-615-150Double Extra StrongDouble Extra Strong
3000 Threaded1/8-46-2000Extra StrongExtra Strong
6000 Threaded1/8-2 6-50Schedule 160Schedule 160
9000 Threaded1/8-2 6-50Double Extra StrongDouble Extra Strong
3000 Socket Welded1/8-4  6-2000Extra StrongExtra Strong
6000 Socket Welded1/8-2 6-50Schedule 160Schedule 160
9000 Socket Welded1/2-2  15-50Double Extra StrongDouble Extra Strong

Key Advantages

Corrosion Resistance:

  • 3-5× more resistant to seawater/salt spray than 304 stainless
  • Resists sulfuric acid (≤50%), phosphoric acid, etc.

Structural Reliability:

  • Integrally forged reinforcement (no additional pads)
  • Metal-to-metal seal (zero leakage)

Sanitary Performance:

  • Electropolishable to Ra≤0.4μm
  • FDA-compliant for food contact

A182 F316 Material Properties

Chemical Composition:

  • Chromium (Cr): 16-18%
  • Nickel (Ni): 10-14%
  • Molybdenum (Mo): 2-3%
  • Carbon (C): ≤0.08%

Key Characteristics:

  • Superior chloride resistance (PREN≥25)
  • Outstanding pitting/crevice corrosion resistance
  • Temperature range: -196°C to +800°C (recommended -29°C to +425°C)
  • Mechanical properties: Tensile≥515MPa, Yield≥205MPa

 

Typical Applications

  • Marine Engineering: Desalination systems, ship piping
  • Chemical Industry: Chloride-containing media transfer
  • Oil & Gas: Sour gas fields (H₂S/CO₂ environments)
  • Pharma/Food: CIP/SIP cleaning systems
  • Power Generation: Nuclear plant auxiliary piping
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MSS SP-97

One-Stop MSS SP-97 A182 F316 Outlet Fittings Provider for All Your Needs

SSM has significant product advantages in manufacturing MSS SP-97 A182 F316 Outlet Fittings. Whether it’s quality or price, we will meet your needs.

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More Information about MSS SP-97 A182 F316 Outlet Fittings

Installation and Maintenance

Welding:

  • Filler material: AWS ER316L
  • Critical parameters:
  • Interpass temp ≤150°C
  • Heat input: 0.5-2.5kJ/mm
  • Back purging (for buttweld)

Surface Treatment:

  • Pickling/passivation (standard)
  • Electropolishing (sanitary grade)

Quality Assurance

Testing:

  • PMI (chemical analysis)
  • Intergranular corrosion test (ASTM A262)
  • Liquid penetrant testing (PT)

Certifications:

  • EN 10204 3.1 material certificate
  • NACE MR0175 (sour service)
  • ASME BPE (pharmaceutical grade)

FAQ

  • F316L (low-carbon) is preferred for welded applications to prevent sensitization; F316 is suitable for non-welded components.

  • Not recommended – use urea-grade stainless (e.g., 316L Mod).

MSS SP-97 A182 F316 Outlet Fittings deliver exceptional corrosion resistance and structural reliability, making them the premier solution for chemical, marine, and other corrosive applications. Selection must carefully consider media composition, concentration, and temperature parameters. Material corrosion testing is advised for extreme conditions.

For detailed dimensional data or technical calculations, please contact our engineering team!

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