N80 API 5CT CasingN80 API 5CT Casing

Oil Casing API 5CT N80 Casing Pipe High Quality API ISO Standard Seamless Steel Pipe Oil Drilling Water Well Pipe Tube Suppliers

Category: Tags: , , , , ,

 API 5CT N80 casing Tubing is a API 5CT Oil casing Pipe & mainly used for oil well drilling. it is available as short thread type and long thread type supplied with their couplings.

According to American Petroleum Institute Standard API SPEC 5CT, the steel grade of API 5CT oil casing pipe can be divided into ten types, including H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P-110 and Q-125. We supply the casing pipe & API 5CT J55 Casing Tubing accompanied with thread and coupling, or we offer our product in accordance with the following forms for option.

API 5CT N80 Casing Tubing Type of Casing:

    • short round thread casing(SC)
    • long round thread casing(LC)
    • buttress thread casing(BC)

    API 5CT N80 Casing Tubing Mechanical Properties:

    Tensile and Hardness Requirements
    Grade     Yield Strength MPa Tensile Strength Hardness a,c Specified Wall Thickness Allowable Hardness Variation b
    Type Total Elongation Under Load min MPa max
    min max HRC HBW mm HRC
    1 2 3 4 5 6 7 8 9 10
    H40 0.5 276 552 414
    J55 0.5 379 552 517
    K55 0.5 379 552 655
    N80 1 0.5 552 758 689
    N80 Q 0.5 552 758 689
    R95 0.5 655 758 724
    L80 L80 1 0.5 552 655 655 23 241
    L80 9Cr 13Cr 0.5 552 655 655 23 241
    0.5 552 655 655 23 241
    C90 1 0.5 621 724 689 25.4 255 £12.70 3
    12.71 to 19.04 4
    19.05 to 25.39 5
    ³ 25.40 6
    T95 1 0.5 655 758 724 25.4 255 £12.70 3
    12.71 to 19.04 4
    19.05 to 25.39 5
    ³ 25.40 6
    C110 0.7 758 828 793 30 286 £12.70 3
    12.71 to 19.04 4
    19.05 to 25.39 5
    ³ 25.40 6
    P110 0.6 758 965 862
    Q125 1 0.65 862 1034 931 b £12.70 3
    12.71 to 19.04 19.05 4
    5
    a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method.
    b No hardness limits are specified, but the maximum variation is restricted as a manufacturing control in accordance with 7.8 and 7.9.
    c For through-wall hardness tests of Grades L80 (all types), C90, T95 and C110, the requirements stated in HRC scale are for maximum mean hardness number.

     

    API 5CT N80 Casing Tubing Range Lengths
    Range 1 Range 2 Range 3
    CASING (PE/T and C/SF)      
    Total range length, inclusive Permissible variation, max a 4.88 to 7.62 1.83 7.62 to 10.36 10.36 to 14.63 1.83
    1.52
    TUBING AND CASING USED AS TUBING      
    (PE/T and C/SF)      
    Total range length, inclusive Permissible variation, max a 6.10 to 7.32 b 8.53 to 9.75 c 11.58 to 12.80 d
    0.61 0.61 0.61
    INTEGRAL TUBING CONNECTIONS (including IJ/PE      
    and IJ/SF)      
    Total range length, inclusive Permissible variation, max a 6.10 to 7.92 e 8.53 to 10.36 11.58 to 13.72 0.61
    0.61 0.61
    PUP JOINTS Lengths: 0.61; 0.91; 1.22; 1.83; 2.44; 3.05 and 3.66 e
    Tolerance: ±0.076
    a Length variation applies to rail car shipment to the point of use and does not apply to order items of less than 18,144 kg of pipe.
    b By agreement between purchaser and manufacturer, the maximum length may be increased to 8.57 m.
    c By agreement between purchaser and manufacturer, the maximum length may be increased to 10.76 m.
    d By agreement between purchaser and manufacturer, the maximum length may be increased to 17.72 m.0.61 m pup joints may be furnished up to 0.91 m long by agreement between purchaser and manufacturer, and lengths other than those listed may be furnished by agreement between purchaser and manufacturer.

Reviews

There are no reviews yet.

Be the first to review “Oil Casing API 5CT N80 Casing Pipe High Quality API ISO Standard Seamless Steel Pipe Oil Drilling Water Well Pipe Tube Suppliers”

Your email address will not be published. Required fields are marked *