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Product Name : Casing Coupling
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Information : Casing Coupling, Tubing Coupling, API 5CT Couplings, OCTG Couplings Size: Tubing Coupling : 1.9'' - 4-1/2'',Casing Couping : 4-1/2'' - 13-3/8'' Thread Type: NUE/EUE/STC/LTC/BTC Grade: J55, L80, N80 & P110 Standard: API 5CT and 5B PSL1/PSL2 J55,K55,N80-1,N80-Q, API 5CT and 5B L80-1,C90, C95,T95, P110, Q125 Surface Treatment: phosphating treatment Color Code: J55 Green,L80 Red with brown strips,
Company : UNION STEEL INDUSTRY CO., LTD
UNION STEEL INDUSTRY CO., LTD
18873164196
