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Alloy Steel ASTM A182 F91 Flanges

Alloy Steel ASTM A182 F91 Flanges

Product Details:

  • Feature High Strength, Corrosion Resistance, Durable, Heat Resistant
  • Grade F91
  • Dimension (L*W*H) As per requirement / Customizable
  • Purity Alloyed to Standard Specification
  • Application Oil & Gas, Petrochemical, Power Generation, Refinery, Pipeline Systems
  • Product Type Flanges
  • Material Alloy Steel (F91)
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Alloy Steel ASTM A182 F91 Flanges Price And Quantity

  • 50 Piece

Alloy Steel ASTM A182 F91 Flanges Product Specifications

  • Class 150# to 2500#
  • Round/Flanged
  • ASTM A182
  • Oil & Gas, Petrochemical, Power Generation, Refinery, Pipeline Systems
  • 1/2 to 48 (DN15 to DN1200)
  • Alloyed to Standard Specification
  • Flanges
  • Alloy Steel (F91)
  • Bright / Smooth Finish
  • As per requirement / Customizable
  • Silver/Grey
  • Forged
  • Welded / Bolted
  • F91
  • High Strength, Corrosion Resistance, Durable, Heat Resistant
  • Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
  • 220 HB max (typical for F91)
  • Ultrasonic, Radiography, Hydrostatic, PMI
  • Weld Neck, Slip On, Blind, Socket Weld, Threaded, Lap Joint
  • Plywood Cases, Wooden Pallets, As Per Customer Requirement
  • Upto 600C (1112F)

Alloy Steel ASTM A182 F91 Flanges Trade Information

  • Cash in Advance (CID)
  • 1000 Piece Per Month
  • 2-5 Days
  • Asia, Australia, Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa
  • All India

Product Description



Experience the strength of Alloy Steel ASTM A182 F91 Flanges, now at a reduced price for select customers. Manufactured with unassailable quality and valorous engineering, these top-rated flanges include Weld Neck, Slip On, Blind, Socket Weld, Threaded, and Lap Joint types. Designed for impeccable performance in extreme conditions, F91 flanges withstand temperatures up to 600C, delivering high strength and excellent corrosion resistance. Each piece undergoes stringent ultrasonic, radiography, hydrostatic, and PMI testing, ensuring unmatched reliability. Offered in various sizes and pressure classes, and expertly packaged to suit your needs, they represent the optimal choice for oil & gas, power, and industry applications worldwide.

Commercial Uses & Advanced Features of Alloy Steel ASTM A182 F91 Flanges

Alloy Steel ASTM A182 F91 Flanges are widely utilized across the oil & gas, petrochemical, power generation, and refinery sectors, thanks to their high strength and corrosion resistance. Extra features include precise ultrasonic and radiographic testing, customizable dimensions, and multiple pressure ratings (Class 150# to 2500#). These flanges offer reliable connection solutions, with options like raised face or ring type joint, ensuring impeccable performance in aggressive environments and facilitating ease of installation in pipeline systems.


Export Destinations, Domestic Markets & Certifications for F91 Flanges

We offer Alloy Steel ASTM A182 F91 Flanges delivered to main export markets including the Middle East, Europe, and Southeast Asia, as well as all major domestic industrial hubs across India. Top certifications such as ASTM, ISO, and mill test certificates are provided on request. Estimates are tailored to customer specifications, ensuring every order meets global requirements. Our unassailable quality and prompt delivery make us a trusted manufacturer and exporter in the field.


FAQ's of Alloy Steel ASTM A182 F91 Flanges:


Q: How are Alloy Steel ASTM A182 F91 Flanges tested before delivery?

A: Flanges undergo rigorous ultrasonic, radiographic, hydrostatic, and Positive Material Identification (PMI) testing to ensure integrity, quality, and compliance with ASTM standards prior to shipment.

Q: What are the main applications for F91 alloy steel flanges?

A: These flanges are primarily used in oil & gas pipelines, petrochemical plants, power generation stations, refineries, and other industrial systems requiring high strength and heat resistance.

Q: Where can I use ASTM A182 F91 flanges with a temperature range up to 600C?

A: They are ideal for high-temperature pipeline systems in industries like oil & gas, thermal power generation, and refinery operations, maintaining performance at elevated temperatures.

Q: What are the advantages of selecting F91 flanges with raised face or ring type joint ends?

A: Raised face and ring type joint ends provide improved sealing, enhanced pressure resistance, and are compatible with different bolted connection systems for secure, leak-proof installations.

Q: What process ensures the impeccable surface finish of these flanges?

A: Flanges are forged to exacting standards and finished with precision machining, resulting in a smooth, bright surface suitable for critical process connections and corrosion resistance.

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