Standard:API SPEC 5CT Standard.
Use:Seamless steel tubes for oil tubing in oil and gas well. Tubing is mounted in the production casing after the oil well is dig and cemented, it is seamless pipe to transport oil gas to ground surface.
Steel grade:J55, K55, N80, L80, C90, T95, P110, Q125
Size:1.0~4 1/2 for Seamless Tubing