The Product Standard: API SPEC 5CT9thPSL1; PSL2; PSL3;
Size:1"9~20"
Grade:H40,J55,K55,N80,L80,R95(C95),T95,P110,Q125
API 5CT female threading tubing and casing pipe coupling of octg
Tubing coupling
Specification:API 5CT 1.9”, to 4-1/2”
Steel grade: J55, K55, N80, P110
Thread type: EUE, NUE
Casing coupling
Specification:API 5CT 4-1/2” to 20”
Steel grade: J55, K55, N80, P110
Thread type: STC, LTC, BTC
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