The casing size ranges from 4 1/2" to 20", thread include BTC, STC, LTC, premium thread. Steel grade: J-55, N-80-P110, L-80, C-90, C-95, T-95.The petroleum casing is completely conform to API 5CT standards.

PSLB stand for:  P: plain end  S: short circle thread  L: Long circle thread  B: Buttress circle thread.

Please contact us for more specification

casing and tubing