ANSI B16.5 150# WN Flange

ANSI B16.5 150# WN Flange – High-Quality Weld Neck Flanges Supplied by SSM

SSM is a trusted supplier of high-quality ANSI B16.5 150# Weld Neck (WN) Flanges, available in Carbon Steel, Stainless Steel, and Alloy Steel. These flanges are designed for reliable and leak-free connections in high-pressure and high-temperature piping systems, meeting the strict dimensional and performance requirements of the ANSI / ASME B16.5 standard.

What is an ANSI B16.5 150# WN Flange?

An ANSI B16.5 Class 150 Weld Neck Flange is a type of flange featuring a long tapered hub that provides excellent reinforcement at the welded joint. The smooth transition between the flange thickness and the pipe wall ensures uniform stress distribution, making it ideal for critical applications such as oil & gas, petrochemical, power generation, and shipbuilding.

Available Materials

SSM offers a complete range of Weld Neck Flanges in different materials to meet diverse industrial needs:

Carbon Steel: ASTM A105, A350 LF2, A694 F52/F60/F65

Stainless Steel: ASTM A182 F304 / F304L, F316 / F316L, F321, F347

Alloy Steel: ASTM A182 F5, F9, F11, F22, F91

Each flange is manufactured with precise machining and surface finishing to ensure perfect alignment, high pressure resistance, and excellent sealing performance.

Key Features

Complies with ANSI / ASME B16.5 and MSS-SP-44 standards

Pressure rating: Class 150 (150#)

Sizes: ½" to 24" (DN15–DN600)

Face types: Raised Face (RF) or Ring Type Joint (RTJ)

High strength, durability, and corrosion resistance

Suitable for high-temperature and high-pressure environments

Applications

SSM's ANSI B16.5 150# WN Flanges are widely used in:

Oil and gas pipelines

Chemical and petrochemical industries

Power plants

Offshore and marine systems

Water treatment facilities

Why Choose SSM?

Over 30 years of manufacturing and export experience

Strict quality control and 100% dimensional inspection

TS, ISO, and PED certified production facilities

Competitive pricing and reliable global delivery

Conclusion

If you are looking for a reliable source for ANSI B16.5 150# Weld Neck Flanges, SSM provides the perfect solution. Our carbon steel, stainless steel, and alloy steel flanges deliver outstanding performance, durability, and compliance with international standards.

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