special-shaped flange A182 F11 flange the ends of the piping system
A182 Gr F1 threaded flange is widely requested, also known as threaded flange, it has a thread in the flange hole, it is installed on the pipe, it matches the external thread on the pipe.
ASME SA 182 AS Forged Pipe Flanges are forged from a single piece of raw material for good strength. Some applications need to end pipes instead of connecting more pipes. Flanges are also available in B16.5, B16.47 and other standards and sizes. Alloy steel flange materials can vary based on chemical composition. Grade 304 flanges are the most commonly used flanges and contain 18% chromium and 8% nickel in their composition.