Standard：API 5CT, API 5B
Size:
4 1/2”~30” for Casing
1.05”~4 1/2” for Tubing
Length: R1/R2/R3
Steel grade: H40, J55, K55, N80-1, N80-Q, R95, L80-1, L80-9Cr, L80-13Cr, C90, T95, C110, P110, Q125, HC serial and SS serial.
Connection: STC, LTC, BTC, NUE, EUE, IJ, Premium Connection
