A105 Weld Neck Flange ASME B16.47 Large‑Diameter Forged Flange

Our A105 weld neck flanges are manufactured in compliance with ASME B16.47 standard, hot‑forged from high‑grade A105 carbon steel. Featuring good mechanical strength and pressure‑resistance performance, these large‑diameter forged flanges are widely applied in petroleum, natural gas, pipeline transmission and heavy‑duty industrial projects.

Available in multiple pressure classes and extensive size range, large‑size flanges are kept in stock for fast delivery. Multiple sealing faces including RF and RTJ can be provided as required. Every flange undergoes heat treatment, dimension inspection, chemical composition analysis and non‑destructive testing to guarantee reliable quality.

We support custom specifications besides spot goods. As a professional Chinese forge manufacturer, we are capable of handling bulk export orders. Strict quality management meets international project requirements, and timely shipment helps clients shorten their procurement cycle.