Undersea pipeline

A pup joint is a casing or tubing of length shorter than Range 1 with the same thread connection, used to adjust the length of tubular strings to its exact requirement.

ASTM A213 T11 is the part of ASTM A213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes.

25MnG High Pressure Boiler Steel Pipe is a type of steel pipe used in high-pressure boiler applications.

The specification covers grades of stainless steel tubing for general corrosion-resisting and low or high-temperature service.