OCTG Coupling

OCTG Coupling is used to connect the casing and tubing, sizes form 1.315inchs to 20 inches O.D., material grade J55, K55, N80, L80, P110, etc., according to API SPEC 5CT Standard.

Products List

API 5CT N80 Tube Coupling 3-1/2 Inch EUE Black
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DB-OCTG Coupling-1019

China API SPEC 5CT Grade N80 Tube Coupling Supplier Derbo Provides API SPEC 5CT Grade N80 Tube Coupling, Size 3-1/2 Inch EUE, Black Painting Treatment.
API 5CT K55 Tube Coupling Hot Rolled 4-1/2 Inch Painting
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DB-OCTG Tubing-977

China API 5CT K55 Tube Coupling Manufacturer Supplies API Spec 5CT Grade K55 Tubing and Casing Coupling, Hot Rolled, Size 4-1/2 Inch, Painting Surface.
API 5CT J55 External Upset End Tubing Coupling Hot Rolled 4-1/2 Inch
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DB-OCTG Coupling-968

China API 5CT External Upset End Tubing Coupling Supplier Provides API 5CT J55 External Upset End (EUE) Tubing Coupling, Hot Rolled, 4-1/2 Inch.
NU P110 OCTG Coupling Threaded 1 Inch
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DB-OCTG Pipe-931

China NU P110 OCTG Coupling Manufacturer Derbo Offers NU P110 OCTG Coupling, Threaded, 1 Inch, Oiled, Galvanized Surface Treatment, Pipe Connection.
API 5CT N80 OCTG Coupling Threaded 3 1/2 Inch
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DB-OCTG COUPLING-925

China API 5CT N80 OCTG Coupling Manufacturer Derbo Provides API 5CT N80 OCTG Coupling, Threaded, 3 1/2 Inch, EUE, Painting Treatment, Pipe Connection.
API 5CT J55 EUE Coupling Hot Rolled 3 1/2 Inch Painting
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DB-Coupling-690

China API 5CT J55 EUE Coupling Manufacturer Derbo Offers API 5CT J55 EUE Coupling, Hot Rolled, 3 1/2 Inch, Coating, Painting, Oil Gas Transportation.
API 5CT Coupling K55 13-3/8 Hot Rolled Oiled/Painting/Galvanized
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DB-API 5CT Coupling-561

China API 5CT Coupling Manufacturer Derbo Offers API 5CT Coupling, K55, 13-3/8, Hot Rolled, Oiled/Painting/Galvanized/Coating, Gas & Oil Transportation
API 5CT PSL 1 OCTG Coupling Hot Rolled K55 4-1/2 Inch Galvanized
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DB-OCTG Coupling-497

China API 5CT PSL 1 OCTG Coupling Manufacturer Derbo Offers API 5CT PSL 1 OCTG Coupling, Hot Rolled, Grade K55, Size 4-1/2 Inch, Gas, Oil Pipe Line.
API 5CT J55+N80 OCTG Tubing Coupling 3-1/2 EUE Hot Rolled
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DB-OCTG Tubing Coupling-492

China API 5CT J55+N80 OCTG Tubing Coupling Manufacturer Derbo Provides API 5CT J55+N80 OCTG Tubing Coupling, 3-1/2 EUE, Hot Rolled, Oil Transportation.