Casing & Tubing

Casing & Tubing Supplier

4D STEEL LIMITED offers a complete range of API 5CT casing and tubing for all types of oil exploration and production demands. The material includes carbon steel (for the most common use), alloy, chrome and high alloy steels. API 5CT grades cover J55 / K55, N80 type 1 and N80Q, L80, C90, T95, P110, Q125, and with additional requirements of 13 Cr.

Supply Range
Casing Size: OD: 4-1/2" - 20" (114.3 mm - 508 mm)
Tubing Size: OD: 2-3/8" - 4-1/2" (60.3 mm - 114.3 mm)
WT: 0.205" - 0.635 mm; Length: R1 (4.88 m - 7.62 m), R2 (7.62 m - 10.36 m), R3 (10.36 m - longer)
Standard: API 5CT, JIS G3439, BS EN ISO 11960, NF M87-207
Material: H40, J55, K55, N80, L80, C90, T95, P110, Q125, 13Cr
Type of connections for Casing: BTC (thread coupling buttress), LTC (long round thread coupling), premium connection.
Types of connections for Tubing: BTC, NUE, EUE, Premium
Usage: Conveying gas, water, oil, natural gas

Premium connections
Premium connections that replace the connections VAM TOP, NEW VAM, HYDRIL CS, TPCQ (TPCO), HSM-1/HSM-2 (Hengyang Valin Connections), and etc.

Send Inquiry Here

Or email us: info@4dsteelslimited.com




    TUBING PIPES
    STANDARD: API SPEC 5CT
    Outside DiameterSpecified(mm) Nominal Weight

    Threads & Coupling

    		 Steel Grade Wall Thickness

    (mm)

    		 Type of Thread
    Ib/ft N U E U
    60.32(2 3/8″) 4.70 H,J,L,P 4.83 YES YES
    5.80 C,N,L,P 6.45 YES YES
    5.95 L,P 6.45 YES YES
    7.35 C,L 8.53 YES
    7.45 L,P 8.53 YES
    73.02(2 7/8″) 6.40 H,C,N,L,P 5.51 YES
    6.50 H,C,N,L,P 5.51 YES
    7.80 C,N,L,P 7.01 YES
    7.90 C,N,L,P 7.01 YES
    8.60 C,N,L,P 7.82 YES
    8.70 C,N,L,P 7.82 YES
    9.45 L,C 8.64 YES
    88.90(3 1/2″) 9.20 H,J,C,N,L,P 6.45 YES
    9.30 H,J,C,N,L,P 6.45 YES
    10.20 H,J,C,N,L 7.34 YES
    12.70 C,N,L,P 9.52 YES YES
    12.95 L,P 9.52 YES
    101.60(4″) 9.50 H,J,C,N,L 5.74 YES
    11.00 H,J,C,N,L 6.65 YES
    114.30(4 1/2″) 12.60 H,J,L,N,C,T 12.75 YES
    12.75 H,J,L,N,C,T 12.75 YES
    CASING PIPES
    STANDARD: API SPEC 5CT
    Outside DiameterSpecified(mm) Nominal Weight

    Threads & Coupling

    		 Steel Grade Wall Thickness

    (mm)

    		 Type of Thread
    Ib/ft Short   Long Buttress  TG-QMI
    114.30(4 1/2″) 9.50 H,J,K 5.21 YES
    10.50 J,K 5.69 YES YES
    11.60 J,K,C,L,N,P 6.35 YES YES YES
    13.50 C,L,N,P 7.37 YES YES
    15.10 P,Q 8.56 YES YES
    127.00(5″) 11.50 J,K 5.59 YES
    13.00 J,K 6.43 YES YES YES
    15.00 J,K,C,L,N,P 7.52 YES YES YES
    18.00 C,L,N,P,Q 9.19 YES YES
    21.40 C,L,N,P,Q 11.10 YES YES
    23.20 C,L,N,P,Q 12.14 YES YES
    24.10 C,L,N,P,Q 12.70 YES YES
    139.70(5 1/2″) 14.00 H,J,K 6.20 YES
    15.50 J,K 6.98 YES YES YES YES
    17.00 J,K,C,L,N,P 7.72 YES YES YES YES
    20.00 C,L,N,P 9.17 YES YES YES
    23.00 C,L,N,P,Q 10.54 YES YES YES
    168.28(6 5/8″) 20.00 H,J,K 7.32 YES YES YES
    24.00 J,K,C,L,N,P 8.94 YES YES YES
    28.00 C,L,N,P 10.59 YES YES
    32.00 C,L,N,P,Q 12.06 YES YES
    177.80(7″) 20.00 H,J,K 6.91 YES
    23.00 J,K,C,L,N 8.05 YES YES YES YES
    26.00 J,K,C,L,N,P 9.19 YES YES YES YES
    29.00 C,L,N,P 10.36 YES YES YES
    32.00 C,L,N,P 11.51 YES YES YES
    35.00 C,L,N,P,Q 12.65 YES YES YES
    38.00 C,L,N,P,Q 13.72 YES YES YES
    193.68(7 5/8″) 24.00 H 7.62 YES
    26.40 J,K,C,L,N 8.33 YES YES YES
    29.70 C,L,N,P 9.52 YES YES
    33.70 C,L,N,P 10.92 YES YES
    39.00 C,L,N,P,Q 12.70 YES YES
    42.80 C,L,N,P,Q 14.27 YES YES
    45.30 C,L,N,P,Q 15.11 YES YES
    47.10 C,L,N,P,Q 15.88 YES YES
    196.85(7 3/4″) 46.10 C,L,N,P,Q 15.11
    219.08(8 5/8″) 24.00 J,K 6.71 YES
    28.00 H 7.72 YES
    32.00 H,J,K 8.94 YES YES YES
    36.00 J,K,C,L,N 10.16 YES YES YES
    40.00 C,L,N,P 11.43 YES YES
    44.00 C,L,N,P 12.70 YES YES
    49.00 C,L,N,P,Q 14.15 YES YES
    244.48(9 5/8″) 32.30 H 7.92 YES
    36.00 H,J,K 8.94 YES YES YES YES
    40.00 J,K,C,L,N 10.03 YES YES YES
    43.50 C,L,N,P 11.05 YES YES YES
    47.00 C,L,N,P,Q 11.99 YES YES YES
    53.50 C,L,N,P,Q 13.84 YES YES YES
    273.05(10 3/4″) 32.75 H 7.09 YES
    40.50 H,J,K 8.89 YES YES
    45.50 J,K 10.16 YES YES
    51.00 J,K,C,L,N,P 11.43 YES YES
    55.50 C,L,N,P 12.57 YES YES
    60.70 P,Q 13.84 YES YES
    65.70 P,Q 15.11 YES YES
    298.45(11 3/4″) 42.00 H 8.46 YES
    47.00 J,K,M 9.53 YES YES
    54.00 J,K,M 11.05 YES YES
    60.00 J,K,M,L,N,C,P,Q 12.42 YES YES
    339.7(13 3/8″) 48.00 H 8.38 YES
    54.50 J,K 9.65 YES YES
    61.00 J,K 10.92 YES YES
    68.00 J,K,C,L,N,P 12.19 YES YES
    72.00 C,L,N,P,Q 13.06 YES YES
    406.40(16″) 65.00 H 9.53 YES
    75.00 J,K,M 11.13 YES YES
    84.00 J,K,M 12.57 YES YES
    473.08(18 5/8″) 87.50 H,J,K,M 11.05 YES YES YES
    508.00(20″) 94.00 H,J,K 11.13 YES YES YES
    106.50 J,K 12.70 YES YES YES
    133.00 J,K 16.13 YES YES YES