Class 600 Forged Carbon Steel Socket Weld, Raised-Face Flange for Schedule XH Pipe
Class 600 A105/SA-105 Socket Weld Flange for Schedule XH Pipe
The Class 600 ASTM A105 / ASME SA-105 ASME B16.5 Forged Carbon Steel Socket Weld Raised-Face Flange for Schedule XH Pipe provides a strong, compact connection for demanding industrial pressure piping systems. Combining forged carbon steel construction, a precision-machined socket, and raised-face sealing surface, this flange delivers dependable strength, durability, and sealing performance with Schedule XH (Extra Heavy) pipe.
ASTM A105 / ASME SA-105 Forged Carbon Steel
Manufactured from ASTM A105 / ASME SA-105 forged carbon steel, this Class 600 socket weld flange offers excellent mechanical strength, toughness, and durability. A105/SA-105 is widely specified for pressure-containing piping components used throughout oil and gas, petrochemical processing, refineries, power generation, chemical processing, manufacturing, utilities, and industrial process piping systems.
The Class 600 designation identifies an ASME pressure class rather than a maximum working pressure of 600 PSI. Actual allowable pressure depends on material, operating temperature, flange size, and applicable pressure-temperature ratings.
Socket Weld Design for Schedule XH Pipe
A socket weld flange incorporates a recessed socket designed to receive the connecting pipe. The Schedule XH pipe is inserted into the socket, positioned with the required installation clearance, and permanently secured using an external fillet weld.
For a given nominal pipe size, Schedule XH provides a heavier wall and smaller inside diameter than standard-wall pipe while maintaining the same outside diameter. The socket is sized for the corresponding nominal pipe outside diameter.
Raised-Face Flange Construction
The raised-face (RF) flange features an elevated gasket seating area surrounding the bore. Concentrating bolting force over this gasket area helps establish a dependable seal between compatible mating flanges.
Manufactured to applicable ASME B16.5 requirements, Class 600 A105/SA-105 socket weld flanges provide standardized dimensions, facing requirements, bolt patterns, and pressure-temperature ratings.
When ordering, verify nominal pipe size, Schedule XH dimensions, socket size, Class 600 rating, raised-face configuration, A105/SA-105 material, ASME B16.5 requirements, gasket selection, and service conditions for reliable industrial piping performance.