API Spec 5CT N80-Q Casing Pipe

API Spec 5CT N80-Q Casing Pipe

Casing is mainly applied in oil field, oil well and gas well, water injection well, geothermal well, and as the lining pipe from the surface of the earth down into finished drilling well.

Product standards:
API Spec 5CT, API Spec 5B, ISO 11960, ISO 10422

Steel grade:
J55, K55, M65, L80/R95, N80-1/N80-Q, C90/T95, C110, P110, Q125

Type of end-finish:
Plain end (PL), short round thread (STC), long round thread (LTC), buttress thread (BTC)

Length:
Range 1: 4.88-7.62m
Range 2: 7.62-10.36m
Range 3: 10.36-14.63m

Protection:
Black and bare
External varnished with black or clear lacquer

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