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Long Welding Neck (LWN) Forged Steel Flanges Long Welding Neck (LWN) Forged Steel Flanges Long Welding Neck (LWN) Forged Steel Flanges Long Welding Neck (LWN) Forged Steel Flanges Long Welding Neck (LWN) Forged Steel Flanges

Long Welding Neck (LWN) Forged Steel Flanges

3000.0 INR/Piece
Get a Price/Quote

Product Details:

  • Grade ASTM A105, A350 LF2, A182 F304/F316, etc.
  • Feature High strength, corrosion resistance, extended neck for reinforcement
  • Dimension (L*W*H) Varies (as per size and standard)
  • Purity Metal purity >98% (material-dependent)
  • Application Oil & Gas, Petrochemical, Power Plants, Pipelines
  • Product Type Long Welding Neck (LWN) Flange
  • Material Forged Carbon Steel, Alloy Steel, Stainless Steel
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Long Welding Neck (LWN) Forged Steel Flanges Price And Quantity

  • 1 Piece
  • 3000.0 INR/Piece

Long Welding Neck (LWN) Forged Steel Flanges Product Specifications

  • Class 150 to Class 2500
  • Round (Flanged cylindrical neck)
  • Smooth, machined
  • ASTM A105, A350 LF2, A182 F304/F316, etc.
  • High strength, corrosion resistance, extended neck for reinforcement
  • Forged Carbon Steel, Alloy Steel, Stainless Steel
  • 1/2 to 48 (DN15 to DN1200)
  • ASME B16.5, ANSI, DIN, JIS, EN, BS, GOST
  • Welded
  • Varies (as per size and standard)
  • Forged
  • Metal purity >98% (material-dependent)
  • Metallic Silver
  • Long Welding Neck (LWN) Flange
  • Oil & Gas, Petrochemical, Power Plants, Pipelines
  • Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
  • As per flange standard specification
  • Butt-weld neck
  • Normalized, Quenched & Tempered (as required)
  • 4-48 (depends on size & standard)
  • Excellent
  • Varies by size and specification
  • As per ASME/ANSI standards
  • Ultrasonic, PMI, Hydrostatic, and Visual Inspection
  • Excellent (material-dependent)
  • Wooden cases or pallets

Product Description



Discover our Long Welding Neck (LWN) Forged Steel Flanges, the premier choice for professionals seeking unbeatable prices and top-notch quality. As a best-seller, this product is widely remarked and in demand across global markets. Featuring a butt-weld neck, varied bolt hole diameters, and options including RF, FF, and RTJ faces, these LWN flanges adhere strictly to ASME/ANSI and other international standards. With excellent weldability, superior corrosion resistance, and robust construction using high-purity steel alloys, these flanges guarantee reliable performance in the toughest environments. Ideal for dealers, exporters, fabricators, and end-users.

Versatile Applications & Exceptional Features

Long Welding Neck (LWN) Forged Steel Flanges are tailored for heavy-duty applications such as oil & gas, petrochemical, power plants, and critical pipeline projects. Their extended neck provides added reinforcement and optimal stress distribution during high-pressure operations. These flanges are renowned for their high strength, corrosion resistance, excellent weldability, and adaptability across various industries. Whether for construction, maintenance, or new installations, they deliver consistent performance, making them a premier choice for demanding operational environments.


Secure Packaging, Certified Quality & Domestic Dispatch

Every LWN Forged Steel Flange is securely wrapped for drop-off in sturdy wooden cases or pallets to ensure damage-free arrival. Certifications conform to ASME, ANSI, DIN, and other leading standards, guaranteeing top-grade quality. Our products are favored in the domestic mar for their reliable performance and swift dispatching practices. With a comprehensive after-sales network, we promise timely delivery nationwide and adherence to the highest inspection protocols during every stage of production and shipping.


FAQ's of Long Welding Neck (LWN) Forged Steel Flanges:


Q: How are Long Welding Neck Forged Steel Flanges typically used?

A: These flanges are often employed in high-pressure piping systems, especially in sectors like oil & gas, petrochemicals, and power plants, due to their ability to provide leak-free joints and stress reinforcement.

Q: What benefits do LWN flanges offer over standard welding neck flanges?

A: LWN flanges provide an extended neck, offering enhanced mechanical strength, better stress distribution, and superior reinforcement, making them ideal for critical and high-stress environments.

Q: What testing processes are followed before dispatching these flanges?

A: Every flange undergoes rigorous ultrasonic, PMI, hydrostatic, and visual inspections in accordance with relevant ASME/ANSI standards, ensuring reliable quality and compliance.

Q: Where can these LWN flanges be installed?

A: They are suitable for installation in pipelines, refineries, petrochemical complexes, power generation facilities, and process industries where robust, reliable connections are essential.

Q: When should a customer choose raised face, flat face, or RTJ face types?

A: The choice depends on system pressure, sealing requirements, and compatibility with adjacent equipment. Raised face (RF) is most common, while RTJ is preferred for high-pressure, high-temperature services.

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