Energy

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 A513 ERW carbon steel pipe is a straight seam electric resistance welded (ERW) carbon steel pipe produced in accordance with ASTM A513 standards.

N08904 super austenitic high alloy steel is mainly used in harsh acidic media and performs best in pure phosphoric acid. It has good corrosion resistance to pitting and crevice corrosion, intergranular corrosion, stress corrosion cracking and general corrosion. sex.

Oil casing is a steel pipe used to support the well wall of oil and gas wells to ensure the normal operation of the entire oil well during the drilling process and after completion.