API 5CT CASING TUBING ,Couplings, pup joints Testing of chemical composition

api5l seamless pipe
API 5L carbon steel pipes, X60, SCH30,RDL line pipe
December 14, 2016
api casing and tubing
API 5CT /5B seamless Casing and tubing, K55, OD 4 1/2″ STC oil and gas pipeline
December 19, 2016