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Stainless Steel Long Weld Neck Flanges

Name: Stainless Steel Long Weld Neck Flanges
Brand: ASTRA METAL CORPORATION

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MOQ : 10 Units

Stainless Steel Long Weld Neck Flanges Specification

Dimension (L*W*H)
As per drawing / standard specification

Feature
Corrosion Resistant, High Strength, Durable, Leak Proof, Precision Design

Grade
304, 304L, 316, 316L, 321, 347, Duplex, Super Duplex

Application
Petrochemical, Power Plant, Oil and Gas, Chemical Industry, Shipbuilding, Water Treatment, Pressure Vessel

Purity
99.5% (Stainless Steel Content)

Product Type
Long Weld Neck Flange

Material
Stainless Steel

Standard
ANSI, DIN, JIS, BS, EN, GOST, IS

Shape
Round

Surface
Polished

Connection
Welded

Technics
Forged

Pressure
150LB, 300LB, 600LB, 900LB, 1500LB

Size
1/2 inch to 40 inch (DN15 - DN1000)

Color
Silver

End Connection
Butt Weld

Weight
Varies as per size & schedule

Finish
Smooth, Rust Resistant

Face Type
RF (Raised Face) / FF (Flat Face) / RTJ (Ring Type Joint)

Tensile Strength
520 - 700 MPa

Tolerance
As per ASME/ANSI B16.5

Packing
Wooden Boxes / Pallets / Customized

Heat Treatment
Normalized / Solution Annealed

Operating Temperature
Up to 800C

Hardness
160 - 250 HB

Stainless Steel Long Weld Neck Flanges Trade Information

Minimum Order Quantity
10 Units

Payment Terms
Cash in Advance (CID)

Supply Ability
5000 Units Per Month

Delivery Time
7 Days

Main Domestic Market
All India

About Stainless Steel Long Weld Neck Flanges

Unlock the impeccable quality of our in-demand Stainless Steel Long Weld Neck Flanges, expertly crafted for rarefied industrial applications. Manufactured to ASME/ANSI B16.5 standards, these immaculate flanges feature a robust, rust-resistant finish and are available in Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ) face types. Their welded butt end connection ensures precision, leak-proof performance, and superior durability under extreme temperatures up to 800C and pressures up to 1500LB. With best-in-class materials like 304, 304L, 316, 316L, Duplex, and Super Duplex Stainless Steel, these flanges offer trusted strength (up to 700 MPa) and purity (99.5%). Buy now and elevate your power plant, petrochemical, or shipbuilding projects with a reliable, export-grade connection solution.

Standout Applications & Features of Long Weld Neck Flanges

These stainless steel long weld neck flanges excel in high-pressure, high-temperature environments thanks to their precision design and polished surface. The extra-long neck offers enhanced support for piping, making them ideal for critical service in petrochemical, oil and gas, shipbuilding, and water treatment industries. Their corrosion resistance and leak-proof integrity ensure safety and longevity even in the most challenging operating conditions, with adaptability for custom sizes, pressure ratings, and heat treatments to suit any technical demand.

Export Markets, Delivery & Seamless Procurement

We proudly export our stainless steel long weld neck flanges worldwide-serving discerning clients in Europe, the Middle East, Southeast Asia, and beyond. Our streamlined logistics ensure prompt handover, offering competitive delivery times tailored to your schedule. Flexible payment terms minimize initial expenditure while securing your project continuity. Whether you are a small importer or a large EPC contractor, we offer tailored support, documentation, and packing solutions for efficient and secure shipments every time.

FAQ's of Stainless Steel Long Weld Neck Flanges:

Q: How do I select the appropriate face type (RF, FF, RTJ) for my application?

A: The choice of face type depends on pressure requirements, gasket selection, and type of piping system. Raised Face (RF) is most common for moderate pressure, Flat Face (FF) for cast iron or nonmetallic flanges, and Ring Type Joint (RTJ) for high-pressure, high-temperature environments.

Q: What industries commonly use stainless steel long weld neck flanges?

A: These flanges are extensively used in petrochemical plants, power stations, oil and gas pipelines, chemical industries, shipbuilding, water treatment systems, and pressure vessels due to their durability and leak-proof construction.

Q: When should I use a long weld neck flange instead of a standard weld neck flange?

A: A long weld neck flange is preferred in critical services where added reinforcement and reduced turbulence are essential, typically for high-pressure or high-temperature piping and vessel connections.

Q: Where are your main export markets, and what documentation do you provide?

A: We export globally, mainly to markets in Europe, the Middle East, Southeast Asia, and Africa. Standard export documentation like material test certificates, quality assurance reports, and packing lists are provided with each shipment.

Q: What is the process for placing an order and how is the product handed over?

A: Simply share your requirements or drawings; our team will provide a detailed offer and technical review. Upon order confirmation and agreed payment terms, products are securely packed (in wooden boxes or pallets) and handed over for timely dispatch.

Q: What are the benefits of using high-grade stainless steel flanges?

A: High-grade stainless steel flanges offer superior corrosion resistance, high mechanical strength, precise fit, and long-term reliability-even under demanding operational conditions. This translates to maximized plant safety and minimized maintenance expenditure.

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