ASTM A182 Stainless Steel F317L Weld Neck Flanges

Flanges are integral components of piping systems. They join two pipes or a pipe to a valve or another component. Flanges come in different sizes, shapes, and materials. One of the most popular materials for flanges is stainless steel due to its high flexibility and resistance to corrosion. ASTM A182 Stainless Steel F317L Weld Neck Flanges come in different sizes and classes. The sizes range from 1/2 inch to 60 inches. The classes range from 150 to 2500. The types of weld neck flanges include standard, long, and extra-long. Standard weld neck flanges are used in low-pressure applications. Long weld neck flanges are recommended for piping systems with high-pressure and high-temperature applications. Extra-long weld neck flanges are for piping systems that operate under extremely high pressures and temperatures.

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These flanges are used in various settings, including chemical plants, oil and gas refineries, and petrochemical processing facilities. They are designed to handle high pressures and temperatures, making them ideal for robust piping systems. ASTM A182 Stainless Steel F317L Weld Neck Flanges are used in critical applications in the nuclear industry due to their ability to resist corrosion and heat. They are also used in the automotive, aerospace, and construction industries.
One of the benefits of using these flanges is their excellent corrosion resistance. Stainless steel is a non-reactive material that resists rust and staining. This feature is vital in facilities that process chemicals or liquids that can corrode regular piping. ASTM A182 Stainless Steel F317L Weld Neck Flanges also offers excellent mechanical properties, such as high tensile strength and durability. These features make them ideal for use in industries where the piping system must withstand tough conditions.

Another benefit of using these flanges is their ease of installation. Weld neck flanges are designed to reduce the risk of leakage. They have a tapered hub that slips over the pipe to improve connection stability. Weld neck flanges can also be rotated and aligned to ensure proper alignment with the mating flange. Additionally, weld neck flanges enable easy access for maintenance and inspection.
ASTM A182 Stainless Steel F317L Weld Neck Flanges are highly versatile and can be customized to meet specific needs. They come in various sizes and classes, making them suitable for different pressure and temperature ranges. These flanges offer numerous benefits, such as corrosion resistance, mechanical strength, and ease of installation. Overall, ASTM A182 Stainless Steel F317L Weld Neck Flanges are ideal components of piping systems in industries that require resilience, durability, and resistance to corrosion.


ASTM A182 SS F317L Weld Neck Flange is a type of stainless steel flange that is made from ASTM A182 grade F317L stainless steel. This type of flange is typically used in high-temperature & high-pressure applications, such as in the chemical, petrochemical, & power generation industries.

The pressure rating of ASTM A182 SS F317L Weld Neck Flanges varies depending on the flange size & class. These flanges are typically available in classes ranging from 150 to 2500, with corresponding pressure ratings in pounds per square inch (psi).

ASTM A182 SS F317L Weld Neck Flanges are commonly used in industries such as chemical processing, oil and gas, & food processing, where corrosion resistance is of utmost importance. They are suitable for connecting pipes, valves, and equipment in critical & corrosive environments, providing a reliable and long-lasting joint.

Specification of Stainless Steel F317L Weld Neck Flanges

Spec bag
Spec Flange
Specifications: ASTM A182 / ASME SA182
Dimensions: ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size: 1/4" - 48"
Class/Pressure: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type: flat face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Types of Stainless Steel Weld Neck Flanges

Stainless Steel F317L WNRF Flanges

ASTM A182 SS F317L WNRF Flanges

  • - ASTM A182 SS F317L WNRF Flanges
  • - S31703 WNRF Flanges
  • - 1.4438 WNRF Flanges
  • - F317L SS WNRF Flanges
  • - ASME SA182 SS 317L WNRF Flanges
  • - SS F317L WNRF Flanges Supplier
  • - SS A182 F317L WNRF Flanges Manufacturer
Stainless Steel F317L WNRTJ Flanges

ASTM A182 SS F317L WNRTJ Flanges

  • - ASTM A182 SS F317L WNRTJ Flanges
  • - S31703 WNRTJ Flanges
  • - 1.4438 WNRTJ Flanges
  • - F317L SS WNRTJ Flanges
  • - ASME SA182 SS 317L WNRTJ Flanges
  • - SS F317L WNRTJ Flanges Supplier
  • - SS F317L WNRTJ Flanges Manufacturer

Equivalent Grades for Stainless Steel F317L Weld Neck Flanges

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

Stainless Steel 317L Weld Neck Flanges Chemical Composition

Grade C Mn P S Si Cr Ni Mo
SS 317L 0.035 2.0 0.045 0.030 1.00 18.0-20.0 11.0-14.0 3.00-4.00

Mechanical Properties of Stainless Steel F317L WNRF Flanges

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 %

Application Industries

  • Refineries
  • Petrochemicals Industry
  • Oil & Gas Industry
  • Mining
  • Construction
  • Pharmaceuticals
  • Automobile