Duplex Steel Equal Tee, ASTM A815, MSS SP-43

Oct 13, 2025

ASTM A815 duplex steel equal tee features three ports of the same diameter, making it suitable for connecting pipelines with identical pipe sizes. Based on structural characteristics, equal tees are categorized into T-type and Y-type configurations. Duplex steel tees are widely used in industries such as petrochemical, shipbuilding, and offshore engineering.

In the petrochemical sector, duplex steel tees are employed to connect oil pipelines and gas pipelines, enabling the interconnection and diversion of multiple pipelines. In shipbuilding, they are used to connect internal and external pipelines within vessel structures, facilitating the integration and merging of onboard piping systems. In offshore engineering, duplex steel tees serve to link subsea pipelines with platform pipelines, allowing for the connection and diversion between subsea and platform piping networks.