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DUPLEX Stainless Steel Flanges

DUPLEX Stainless Steel Flanges

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Product Details:

  • Process Forged
  • Facing Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
  • Tolerance As per ASTM Standard
  • Design As per customer/standard specification
  • Color Silver
  • Coating Anti-corrosive coating available
  • Product Type DUPLEX Stainless Steel Flanges
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DUPLEX Stainless Steel Flanges Price And Quantity

  • 100 Piece
  • Oil & Gas, Petrochemical, Power Plant, Marine and Chemical Industries
  • EN 10204 3.1 / 3.2 available
  • 180-230 HB
  • Standard marking as per norms
  • Excellent (suitable for harsh environments)
  • 150# to 2500#
  • Solution Annealed
  • Ready Stock or As per Order
  • UNS S31803, S32205, S32750, S32760
  • Machined / Polished
  • Wooden boxes / pallets / customized packaging

DUPLEX Stainless Steel Flanges Product Specifications

  • Hot Rolled / Cold Rolled
  • DUPLEX Stainless Steel Flanges
  • Forged
  • Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
  • 1/2 (15 NB) to 48 (1201NB)
  • Stainless Steel
  • Up to 40 mm
  • Round
  • As per ASTM Standard
  • Welded, Threaded, Slip-On, Blind, Lap Joint, Socket Weld, Long Weld Neck
  • ASTM A182 F51 / F53 / F55, ASME SA 182
  • Anti-corrosive coating available
  • As per customer/standard specification
  • Silver
  • Oil & Gas, Petrochemical, Power Plant, Marine and Chemical Industries
  • EN 10204 3.1 / 3.2 available
  • 180-230 HB
  • Standard marking as per norms
  • Excellent (suitable for harsh environments)
  • 150# to 2500#
  • Solution Annealed
  • Ready Stock or As per Order
  • UNS S31803, S32205, S32750, S32760
  • Machined / Polished
  • Wooden boxes / pallets / customized packaging

DUPLEX Stainless Steel Flanges Trade Information

  • 5000 Piece Per Month
  • 7 Days

Product Description

Specification

Specifications

ASTM A182 / ASME SA182

Size

1/2 (15 NB) to 48 (1201NB)

Standards

ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Class / Pressure

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Standard

ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

 



Outstanding Corrosion Resistance

DUPLEX Stainless Steel Flanges offer exceptional resistance to corrosion, ensuring longevity even in harsh environments such as marine, chemical, and offshore oil & gas sectors. Their unique duplex structure provides superior protection against pitting, crevice, and stress corrosion, making them highly reliable for critical infrastructure projects.


Comprehensive Design and Versatility

Available in a broad range of sizes (1/2'' to 48'') and facings (Raised Face, Flat Face, Ring Type Joint), these flanges cater to diverse installation needs. With multiple connection types, including welded, slip-on, blind, and socket weld, manufacturers and users can select the ideal configuration to match industry standards or custom requirements.


Certified Quality and Secure Packaging

Each flange is delivered with EN 10204 3.1 or 3.2 test certificates, affirming material quality and traceability. To ensure damage-free transportation, flanges are packaged in sturdy wooden boxes, pallets, or bespoke packaging, meeting both safety and client specifications, whether for ready stock or made-to-order deliveries.

FAQ's of DUPLEX Stainless Steel Flanges:


Q: How are duplex stainless steel flanges tested and certified?

A: DUPLEX stainless steel flanges are tested based on stringent industry norms and are supplied with EN 10204 3.1 or 3.2 test certificates, which verify chemical composition, mechanical properties, and traceability. This ensures each flange meets specified quality standards before delivery.

Q: What are the main benefits of using duplex stainless steel flanges in oil & gas and petrochemical industries?

A: These flanges provide high strength, excellent corrosion resistance, and long service life, which are vital for safely handling aggressive fluids and gases in oil & gas and petrochemical plants. Their resistance to harsh operating conditions significantly lowers maintenance costs and downtime.

Q: When should anti-corrosive coated duplex flanges be considered?

A: Anti-corrosive coating is recommended when flanges will be exposed to extremely harsh environments, such as offshore platforms or chemical plants, to enhance their resistance to aggressive agents and extend their operational lifespan.

Q: Where are duplex stainless steel flanges commonly used?

A: These flanges are widely used in oil & gas, petrochemical, power plant, marine, and chemical processing industries, especially in environments requiring robust strength and superior corrosion resistance.

Q: What connection types are available for duplex stainless steel flanges?

A: Customers can choose from a variety of connection types, including welded, threaded, slip-on, blind, lap joint, socket weld, and long weld neck configurations to suit different installation and functional requirements.

Q: How are duplex flanges manufactured and finished?

A: The flanges are produced using hot or cold forging techniques as per ASTM standards, followed by solution annealing to improve their mechanical properties. They feature machined or polished surfaces and are available with raised face, flat face, or ring type joint facings.

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SALEM STAINLESS STEEL SUPPLIERS PRIVATE LIMITED

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  • Flat No. 402, 48/52, Cosmos Sunshine Tower, 3rd, Panjarapole, Mumbai - 400004, Maharashtra, India
  • Phone :08045817151
  • Mr. Rajesh Jain (Director)
  • Mobile :08045817151
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