TPCO has been producing and supplying casing, tubing and line pipes according to API standards，non-API standards, premium connections, for onshore, offshore and subsea applications, and other pipes used in various industries, with 26 steel grades, and about 10,000 varieties, being among the top rank of the world pipe industry.

TPCO produces OCTG of API grades and TP series. TP series are the proprietary products developed independently by TPCO suitable for oil and gas wells with severe and tough conditions, including high collapse casing series, steam injection/ heavy oil recovery casing series, high collapse anti-sour corrosion series, 3Cr and 13Cr anti-CO₂ corrosion series, Ni-based CRA and Ti-based alloy grades, and high-strength super-deep well casing series. TPCO has its own proprietary products of the premium connection series.

Seamless pipe

Casing: O.D. 4-1/2” ~ 20”

Tubing: O.D. 2-3/8” ~ 4-1/2”

Drill pipe: O.D. 2-3/8” ~ 6-5/8”

Line pipe: O.D. 2” ~ 28”

Cylinder pipe: O.D. 5.563” ~ 28”

Boiler tubes: O.D. 1.9” ~ 28”

Mechanical pipe: O.D. 2” ~ 28”