casing tube

Casing Tube
standard: API SPEC 5CT /  API SPEC 5B
Grade : J55, L80-1; N80 ;C90 ;T95; P110 ;M65 ;BG80S
Specification; according to customer request
weight designation: plain end ;non upset; external upset ; threaded and coupled
type of end finish; plain end ;short round thread; long round thread; buttress thread.
Coupling : standard coupling; special clearance coupling; special bevel coupling ;modified seal-ring coupling; combinations or reducing coupling.