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Oilfield tubular goods of Union Steel is a collection of seamless rolled products consisting of Tubing and Casing, Slotted Pipe, Drill Pipe and Drill Collar, Pup Joint and Coupling, which are useful in the oil and gas production activities. These OTCG products are manufactured according to the specifications set by API. OCTG can be either seamless or welded and are available in different sizes and lengths.
Casing Pipe
Outer diamater(OD):114.30-508mm
Wall thickness(WT):5.21-16.13mm
Tubing Pipe
Outer Diameter (OD):48.26-114.30mm
Wall Thickness(WT):3.18-16mm
Length:R1, R2, R3
Product Name: Slotted Pipe, Slotted Casing, Slotted Steel Pipe
Application: Used as Walls Structural Retainers and Screen Pipes for Oil, Gas and Water Wells
OD: 50mm - 500mm
WT: less than20mm
LENGTH: less than 15m
Slot&Holes specification: As Customer Require
Standard & Grade: API 5CT J55/K55/N80/C75/L80/C90/T95/Q125
Process Type: Seamless (SMLS), Electric Resistance Welded(ERW)
End: Plain, Beveled, Square Cut, with LTCISTC/BTC Connection
Surface: Anti-Corrosion&Water Painting
Packing: Protection Caps in Both Ends, Waterproof Paper Wrapped
Drill pipe
OD: 60.32mm-168.28mm
WT: 6.45-12.7mm
Length: R1, R2, R3
Drill Collars
OD: 3 1/8"-11"
Length: 30Ft / 31Ft / 43Ft / R1~R3
Product Name: Pup Joints, Casing Pup Joints, Tubing Pup Joints
Outside Diameter: 2-3/8''（60.3mm）- 4-1/2(114.60mm)
Tubing Coupling: 33.35mm * 80.96mm ~ 141.30mm * 158.75mm
Casing Coupling: 127mm * 158.75mm ~ 553.4mm * 269.88mm
Standard: API 5CT / 5B
Grade: J55, K55, N80-1,L-80, N80Q, C90, C95, T95, P110,
Thread: NUE, EUE, VAM, STC, LTC, BTC, Special Clearance, XC, VAM TOP, NEW VAM
Pup Joint Options: Pin x Pin Pin x Pin with Couplings Loose Coupling Box x Pin with Couplings Hand Tight Coupling Box x Pin with Couplings Bucked-On
Usage: Used for Connecting two joints of Oil Tubing / Casing
Product Name: 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,N80 Red with green strips,P110 White
