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Stainless Steel 347 Pipe Fittings

Stainless Steel 347 Pipe Fittings

Stainless steel 347 pipe fittings are designed to connect, end up, control flow or else change the course of the piping system. Stainless steel 347 pipe fittings is an austenitic stainless alloy that contains niobium which provides improved resistance to intergranular corrosion.

Chemical Composition of SS 347 Pipe Fittings

The composition of Stainless steel 347 pipe fittings  is crucial for understanding their properties and performance in various industrial applications.

Grade C Mn Si P S Cr Cb Ni Fe
SS 347 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 20.00 10xC – 1.10 9.00 – 13.00 62.74 min

Thus, this table provides valuable insights into the chemical composition of these pipe fittings, highlighting their properties and suitability. 

Mechanical Properties of Stainless steel 347 Pipe Fittings

The table provides essential information for engineers and manufacturers to assess the integrity and durability of Stainless steel 347 pipe fittings in demanding environments.

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1454 °C (2650 °F) Psi – 75000, MPa – 515 Psi – 30000, MPa – 205 35 %

Thus Stainless Steel 347 Pipe Fitting are used in various industries.

Features Of Stainless Steel 347 Pipe Fittings

  • High-Temperature Resistance: Stainless steel 347 pipe fittings have good resistance to high temperatures and are suitable for use in areas with hot conditions.
  • Corrosion Resistance: SS 347 pipe fitting exhibits excellent corrosion resistance especially under conditions where corrosive chemicals, acids and chlorides are present.
  • Intergranular Corrosion Resistance: The intergranular corrosion resistance of stainless steel 347 pipe fittings is enhanced by adding niobium. 
  • Oxidation Resistance: Stainless steel 347 pipe fittings offer good oxidation resistance at elevated temperatures, thus ensuring structural integrity, surface finish and long-term use even under oxygen containing environments.
  • Strength And Durability: SS 347 Pipe Fittings have superior mechanical properties including high tensile strength and toughness which make them suitable for stressful industrial applications.
  • Ease Of Fabrication: Stainless steel 347 pipe fittings can be fabricated easily through welding and forming processes in complex shapes and configurations. This feature facilitates easy installation and maintenance of piping systems.
  • Versatility: There is a wide range of sizes, types and designs available for stainless steel 347 pipe fitting that can meet different requirements of pipeline users. 
  • Chemical Compatibility: Stainless Steel 347 pipe fittings are chemically compatible with numerous chemicals and fluids found within the chemical industry.

Thus, 347 stainless steel pipe fittings unique features make them important components in many industrial settings.

Application Of Stainless Steel 347 Pipe Fittings

Stainless steel 347 pipe fittings find application across a range of industries. Some common applications include:

  • Chemical Processing: In chemical processing plants, stainless steel 347 pipe fittings are used for acid and solvent conveying. Pipe lines, reactors as well as storage tanks employ them.
  • Petrochemical Industry: Stainless Steel 347 Pipe Fittings are commonly used in piping systems for petrochemical operations that deal with gasses and petroleum products.
  • Aerospace Applications: Stainless steel 347 pipe fittings find applications in aircraft engines, such as exhaust systems, among other structural components.
  • Power Generation: SS 347 pipe fittings are employed in boilers, heat exchangers and steam piping systems used in power generation plants.
  • Automotive Industry: SS 347 pipe fittings are found in exhaust systems, turbochargers, or engine parts within the automotive sector.
  • Food and Beverage Industry: SS 347 pipe fittings are used in making sanitary piping systems in the food processing and beverage industries. They satisfy strict cleanliness requirements that guarantee safety of food and its quality.

Thus, stainless steel 347 pipe fittings are highly appreciated, making them usable for numerous industrial applications that need reliability as well as performance.

Stainless Steel 347 Pipe Fittings Suppliers

Stainless Steel 347 Pipe Fittings FAQ's  

Stainless Steel 347 Pipe Fittings Price Starts At Rs 410/Kg To Rs 550/Kg


Yes, 347 stainless steel pipe fittings are highly corrosion resistant due to their high chromium content and excellent resistance to oxidation. The addition of molybdenum to its alloy composition further increases its corrosion resistance against a wide range of environments, including caustic and acidic conditions. Furthermore, these pipe fittings have good weldability and can be joined using various techniques, including welding and soldering.

No, 347 stainless steel pipe fittings are not magnetic. This is due to its austenitic structure which renders the material non-magnetic in nature. Furthermore, these pipe fittings exhibit good corrosion resistance and excellent weldability making them suitable for a variety of applications that require strong, reliable connections.