ASTM A182 F11 Cl2 Weld Neck Flange Essential Component for Safe and Operation in Power Generation

ASTM A182 F11 Cl2 Weld Neck Flange Essential Component for Safe and Operation in Power Generation

The ASTM A182 F11 Cl.2 welding neck flange is a forged pipe connection designed for demanding high-temperature, high-pressure conditions.

It is manufactured from chromium-molybdenum alloy steel (Grade F11) and subjected to a normalizing and tempering (Class 2) heat treatment, resulting in excellent high-temperature strength, creep resistance, and corrosion resistance.

Its signature long tapered neck design ensures seamless butt welding with the pipe, significantly reducing stress concentration.

As a result, it is widely used in core piping systems in thermal power generation, petrochemicals, and refining, serving as a critical component for safe and reliable operation.

Composition Chart of A182 F11 Cl2 Weld Neck Flanges

ASME SA182 F11 Class 2 Flange Mechanical Properties Chart