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Stainless Steel Flanges

Flanges are vital components that connect pipes, valves, pumps, and other equipment to form a secure piping system. Ashwin Steel provides high-integrity stainless steel flanges engineered for flawless performance in high-pressure, high-temperature, and corrosive environments. Manufactured from superior forged materials, our flanges guarantee a tight, leak-proof seal.

Our product range encompasses all standard flange types, including Weld Neck, Slip-On, and Blind flanges, covering a vast array of pressure classes. We ensure strict adherence to dimensional standards and material specifications, providing our clients with reliable components for their most critical fluid containment applications.

Stainless Steel Flanges

Available Grades

304304L304H309S310S316316L316Ti317L321347Duplex S31803S32205

Key Specifications

Sizes

1/2" to 48" (Larger sizes upon request)

Thickness

N/A

Standards

ASTM A182, ASME B16.5, ASME B16.47 Series A & B

Forms

Weld Neck (WNRF), Slip On (SORF), Blind (BLRF), Socket Weld (SWRF), Threaded, Lap Joint (LJRF), Ring Type Joint (RTJ)

Finishes

Machined, Serrated Finish (125-250 AARH), Smooth Finish

Specifications

Size Range1/2" to 48"
Pressure Ratings150#, 300#, 600#, 900#, 1500#, 2500#
Flange TypesWeld Neck, Slip On, Blind, Lap Joint, Socket Weld
Facing TypesRaised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Manufacturing StandardsASTM A182, ASME B16.5, B16.47

Applications

  • Oil & Gas Refineries
  • Chemical & Petrochemical
  • Power Generation
  • Water & Wastewater
  • Marine & Offshore
  • Food Processing

Frequently Asked Questions

Frequently Asked Questions

Weld Neck flanges have a long tapered hub that is butt-welded to the pipe. This design transfers stress from the flange to the pipe, reducing stress concentration, making it ideal for severe, high-pressure, and fluctuating temperature applications.
RTJ facings are typically used in high-pressure and high-temperature applications (Class 600 and above). They use a metallic ring gasket that is compressed into a groove on the flange face, creating an extremely tight seal.
Yes, Ashwin Steel can manufacture custom flanges based on customer drawings and specifications, including specific dimensions, unique facings, and specialized bolt hole patterns.

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