Construction

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.

15Mo3 seamless steel pipe is a high-quality alloy steel pipe, mainly composed of chromium, and other elements.

DIN 1628 ERW Carbon Steel Pipe is a type of steel pipe manufactured by the electric resistance welding process.

ASTM A192/ASME SA192: Seamless Carbon Steel Boiler Tubes for High-Pressure ServiceStandard: ASTM A192/ASME SA192