Stainless Steel 317 and 317L are high-performance austenitic stainless steels known for their exceptional corrosion resistance and durability, making them ideal for various industrial applications. The seamless integration of these materials into piping systems is further enhanced by the use of Stainless Steel 317/317L Pipe Fittings. This article delves into the characteristics, applications, and advantages of these fittings.

Chemical Composition and Properties of Stainless Steel 317/317L Pipe Fittings:

Stainless Steel 317 is a chromium-nickel-molybdenum alloy, while the 'L' in 317L stands for low carbon, indicating a reduced carbon content. The combination of these elements imparts superior corrosion resistance and high tensile strength to the alloy. These properties make Stainless Steel 317/317L well-suited for applications in harsh environments, such as chemical processing, petrochemical, and marine industries.

Applications of Stainless Steel 317/317L Pipe Fittings:

Chemical Processing: The resistance of Stainless Steel 317/317L to various corrosive chemicals makes it an excellent choice for chemical processing industries. Pipe fittings play a crucial role in ensuring a reliable and leak-free flow of corrosive substances within the system.

Petrochemical Industry: In petrochemical plants where exposure to harsh chemicals and extreme temperatures is common, Stainless Steel 317/317L Pipe Fittings provide longevity and reliability. They are utilized in critical connections and joints, ensuring the integrity of the overall piping system.

Marine Applications: The alloy's resistance to chloride-containing environments makes it suitable for marine applications. Stainless Steel 317L Pipe Fittings are used in shipbuilding and offshore structures, where corrosion resistance and durability are essential for maintaining structural integrity.

Power Generation: In power plants handling corrosive fluids at high temperatures and pressures, these SS 317L Buttweld Pipe Fittings find applications in piping systems, offering reliability and longevity in challenging conditions.

Stainless Steel 317 / 317L Pipe Fittings

Advantages of Stainless Steel 317/317L Pipe Fittings:

Corrosion Resistance: The primary advantage of Stainless Steel 317 Pipe Fittings lies in their exceptional corrosion resistance. The molybdenum content enhances their resistance to pitting and crevice corrosion, ensuring longevity in corrosive environments.

High-Temperature Performance: These fittings exhibit excellent high-temperature strength and oxidation resistance, making them suitable for applications involving elevated temperatures, such as in heat exchangers and furnace parts.

Formability and Weldability: Stainless Steel 317 Pipe Fittings are easily formable and weldable, facilitating the fabrication of complex piping systems. This contributes to the ease of installation and maintenance.

Durability: The combination of alloying elements, low carbon content in SS 317L Pipe Fittings, and advanced manufacturing processes contribute to the durability of these pipe fittings, ensuring a prolonged service life.

Tricon Steel and Alloys, based in Mumbai, India, stands as a premier manufacturer and supplier of top-quality Stainless Steel 317/317L Pipe Fittings. Our commitment to excellence and precision sets us apart in the industry. We specialize in crafting durable, corrosion-resistant fittings that meet the highest standards. With a focus on innovation and customer satisfaction, Tricon Steel and Alloys ensures that every product adheres to stringent quality controls. Our Stainless Steel 317/317L Pipe Fittings are designed for superior performance in diverse applications.

317 Stainless Steel Pipe Fittings Specifications

Specifications ASTM A403 / ASME SA403
Dimensions ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10
Size Seamless Butt Weld Fittings: 1/2" - 10"
Welded Butt Weld Fittings: 1/2" - 48"
Thickness SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
Size Range ½" NB to 24" NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) ASTM A403 Stainless Steel Buttweld Fitting
Type DN15-DN1200
Bending Radius R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom MSS Sp-43 Stainless Steel Pipe Fitting
Elbows Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D.
Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO
Connection Welding
Manufacturing process Forge, Cast, Push, Press, etc.
Key markets and industries
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Petrochemicals and acids.
  • Nuclear power (mostly seamless).
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Specialized manufacturer of 90 Deg Elbows, 45 Deg Elbows, Tees, Crosses, Reducers, Pipe Cap, Stub End, Pipe Bend

317L Stainless Steel Pipe Fittings Manufacturing Process

Hot forming or Extrusion Method

By forcing a heated billet through a molded die's opening, forged parts are produced by the process of hot extrusion. This article discusses lubricated versus non-lubricated hot extrusion.

Hydraulic Bulge method – Cold forming

Internal pressure and axial feeding are used in hydroforming tube to create the perfect sort of tube. The operation's results can be predicted using the finite-element method.

Deep Drawing Method for caps

Some of the most widely used techniques for creating caps involve cutting the plate into a circle and shaping it with a deep draw. The process of deep drawing sheet metal storage, also known as blanks, creates a circular or irregular shape that is longer than half of its diameter.

Flare Method for Stub ends

The flaring procedure is used to create lap joint flanges and stub ends. A flare or flange face with a cutout called the flow end. Welding is frequently used to generate stub ends after the forge block has been machined to the desired size.

Pipe Fittings Manufacturing Process

Stainless Steel 317L Butt weld Fittings Equivalent Material

STANDARD WERKSTOFF NR. UNS JIS EN
SS 317 1.4449 S31700 SUS 317 -
SS 317L 1.4438 S31703 SUS 317L X2CrNiMo18-15-4

SS 317 Pipe Fittings Chemical Composition

Grade C Mn Si P S Cr Mo Ni Fe
SS 317 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 18.00 - 20.00 3.00 - 4.00 11.00 - 15.00 57.845 min
SS 317L 0.035 max 2.0 max 1.0 max 0.045 max 0.030 max 18.00 - 20.00 3.00 - 4.00 11.00 - 15.00 57.89 min

317L Stainless Steel Butt weld Fittings Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
7.9 g/cm3 1400 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

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Types Of Stainless Steel 317 Pipe Fittings

Elbow

SS 317 Elbow

Tee

SS 317 Tee

Buttweld Cross

SS 317 Cross

Reducer

SS 317 Reducer

Stub End

SS 317 Stub End

Pipe Cap

SS 317 Pipe Cap

Bend

SS 317 Bend

Pipe Nipples

SS 317 Pipe Nipples

We also supply 317 Stainless Steel Pipe Fittings at the best price. You can check our latest 317L Stainless Steel Butt weld Pipe Fittings price list. Contact Tricon Steel & Alloys today for a best offer & competitive quotation Of 317 Stainless Steel Pipe Fittings.

Which Industries Use 317 / 317L Stainless Steel Pipe Fittings ?

Export Countries

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