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Have all grade of API standard for thread also.
Grade,J/K55,L/N80,P110
Thread, BTC,LTC,STC.
Size of Tubing , 2 3/8 " - 4 1/2"
Outside diamete, 60.32 – 114.3mm
Wall thickness,4.83-6.88 mm
EUE,NUE
Size of Casing ,4 1/2 "- 20."
Outside diameter ,114.3 - 508mm
Wall thickness, 5.21 – 16.13mm
Grade ,J55 / K55/ N80 / L80 / P110
Length R1 R2 R3




