Application: Used as the structural retainer for the walls of oil, gas wells.
Specification: OD: 4 1/2’’ ~ 20’’ ( 114.3mm ~ 508mm ), WT: 0.205’’ ~ 0.635’’ ( 5.21mm ~ 16.13mm ), LENGTH: R1, R2, R3.
Standard: API 5CT J 55 / K55 / N80 / C75 / L80 / C90 / T95 / Q125.
Process Type: Seamless ( SMLS ), Electric Resistance Welded ( ERW ).
End: Beveled, Square Cut, With LTC / STC / BTC / VAM Connection.
Surface: Anti-corrosion Water Based Paint.
Packing: Protection Caps in both end, Waterproof Paper Wrapped, Two Tags.