A105N, A350 LF, LF3, A182 F1 ASME ANSI B16.5 Welding Neck WN Carbon Steel Flanges

A105N, A350 LF, LF3, A182 F1 ASME ANSI B16.5 Welding Neck WN Carbon Steel Flanges – SSM

SSM is a trusted manufacturer and supplier of carbon steel welding neck (WN) flanges, made from premium materials including A105N, A350 LF, LF3, and A182 F1. Designed according to ASME ANSI B16.5 standards, these flanges provide high strength, durability, and reliable sealing for industrial piping systems.

What is a Welding Neck (WN) Flange?

A Welding Neck Flange features a tapered hub welded directly to the pipe, offering:

Even stress distribution for enhanced durability

High fatigue resistance under high pressure and temperature

Leak-proof and reliable connections for critical piping systems

These flanges are commonly used in oil & gas, petrochemical, power plants, and water treatment applications.

Material and Specifications

Materials: Carbon Steel A105N, A350 LF, LF3, Alloy Steel A182 F1

Standards: ASME B16.5, ANSI

Sizes: NPS ½" – 48" (DN15 – DN1200)

Pressure Classes: 150#, 300#, 600#, 900#, 1500#

Face Types: RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint)

Applications

SSM's carbon steel welding neck flanges are widely used in:

Oil & gas pipelines

Petrochemical and chemical plants

Power generation and boiler systems

Offshore and marine piping systems

High-pressure and high-temperature industrial pipelines

Why Choose SSM?

Over 30 years of experience in flange manufacturing

Advanced forging and CNC machining for precision and durability

ISO, PED, and TS certified for quality assurance

Custom sizes, pressure ratings, and finishes available

Reliable global delivery and competitive pricing

Conclusion

For A105N, A350 LF, LF3, A182 F1 ASME ANSI B16.5 welding neck carbon steel flanges, SSM provides high-quality, durable, and reliable flange solutions tailored for demanding industrial applications.

📩 Contact SSM today for quotations, technical drawings, or custom flange solutions.

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