Products

Seamless Steel Pipe

Seamless Steel Pipe

    Sizes of seamless pipe
    Out diameter: 1/2 inch - 36 inch (21.3mm-914.4mm)
    Thickness: 2.11mm-60mm ( SCH10, SCH20, SCH40, SCH80, STD, SCH120, SCH160, XXS)



    Materials of seamless pipe

    ASTM  
    ASTM A53 GR.B ASTM A106 GR.B / ASTM A179 / ASTM A192 / 
    ASTM A210 / ASTM A210 / ASTM A213 / ASTM A333
    API  
    API 5L GR.B / X42 / X46 / X52 / X56 / X60 / X65 / X70
    DIN/EN
    DN 17175 ST35, ST52 /EN10216-2 / DIN 2391 ST35, ST52 /EN10305-1 / DIN 1629/EN10216-1



    Process of Seamless Pipe

    Seamless pipe is made by extruding a steel block or by drilling a solid steel bar. Next, the extrusion or the drilled steel bar is cold drawn through a dye to achieve the diameter and thickness needed. Because this process can cause mechanical hardening, sometimes the material is annealed and straightened as a final process. Seamless pipe is subdivided as:

    Cold Drawn Seamless, or CDS, exhibits precise tolerances and a good surface finish. Hot Finished Seamless, or HFS, has less critical tolerances and somewhat scaly finish and is not as strong as CDS.


    Pipe End:
    BPE – Black Plain End Pipe
    BTC – Black Threaded & Coupled
    GPE – Galvanized Plain End
    GTC – Galvanized Threaded & Coupled
    TOE – Threaded One End

    Pipe Coatings & Finishes:
    Galvanized – Covered with a protective zinc coating on steel to prevent the material from rusting. The process can be hot-dip-galvanizing where the material is dipped in molten zinc or Electro-Galvanized where the steel sheet from which the pipe is made was galvanized during production by an electro-chemical reaction.

    Uncoated – Uncoated Pipe
    Black Coated – Coated with a dark colored iron-oxide
    Red Primed – Red Oxide Primed used as a base coat for ferrous metals, gives iron and steel surfaces a layer of protection




    Application of seamless pipe
    1. Chilled Water, SteamPipelines, Heat Exchanger, Boiler Manufacturing, Cylinder, Hydraulic
    2. Construction, Structure, Machinery Parts, Mechnical, Industrial
    3. Drain/sewage, Dredging, Irrigation
    4. Shipbuilding, Offshore Rigs, Oilfield Equipment, Well Borehole
    5. Pipeline

     



    Quality Inspection of seamless pipe
    Outside diameter, ellipse  inspection
    Wall thickness inspection
    Length inspection
    Bending inspection
    End profile inspection
    Non-destructive test





    Out Diameter                                                                    Wall Thickness
    1/2" (21.3mm) ~ 36" (914.4mm)                                                             2.11mm ~ 60mm                   
                                                                                         
    NOMINAL  PIPE  SIZE OD(mm) NOMINAL WALL THICKNESS
    DN NB(inch) ASME SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80 SCH100 SCH120 SCH140 SCH160 XXS
    15 1/2" 21.3
     
    2.11   2.41 2.77 2.77   3.73 3.73       4.78 7.47
    20 3/4" 26.7 2.11   2.41 2.87 2.87   3.91 3.91       5.56 7.82
    25 1" 33.4 2.77   2.9 3.38 3.38   4.55 4.55       6.35 9.09
    32 1.1/4" 42.2 2.77   2.97 3.56 3.56   4.85 4.85       6.35 9.7
    40 1.1/2" 48.3 2.77   3.18 3.68 3.68   5.08 5.08       7.14 10.15
    50 2" 60.3 2.77   3.18 3.91 3.91   5.54 5.54       8.74 11.07
    65 2.1/2" 73 3.05   4.78 5.16 5.16   7.01 7.01       9.53 14.02
    80 3" 88.9 3.05   4.78 5.49 5.49   7.62 7.62       11.13 15.25
    90 3.1/2" 101.6 3.05   4.78 5.74 5.74   8.08 8.08          
    100 4" 114.3 3.05   4.78 6.02 6.02   8.56 8.56   11.13   13.49 17.12
    125 5" 141.3 3.4     6.55 6.55   9.53 9.53   12.7   15.88 19.05
    150 6" 168.3 3.4     7.11 7.11   10.97 10.97   14.27   18.26 21.95
    200 8" 219.1 3.76 6.35 7.04 8.18 8.18 10.31 12.7 12.7 15.09 18.26 20.62 23.01 22.23
    250 10" 273 4.19 6.35 7.8 9.27 9.27 12.7 12.7 15.09 18.26 21.44 25.4 28.58 25.4
    300 12" 323.8 4.57 6.35 8.38 9.53 10.31 14.27 12.7 17.48 21.44 25.4 28.58 33.32 25.4
    350 14" 355.6 6.35 7.92 9.53 9.53 11.13 15.09 12.7 19.05 23.83 27.79 31.75 35.71  
    400 16" 406.4 6.35 7.92 9.53 9.53 12.7 16.66 12.7 21.44 26.19 30.96 36.53 40.19  
    450 18" 457.2 6.35 7.92 11.13 9.53 14.27 19.05 12.7 23.83 39.36 34.93 39.67 45.24  
    500 20" 508 6.35 9.53 12.7 9.53 15.09 20.62 12.7 26.19 32.54 38.1 44.45 50.01  
    550 22" 558.8 6.35 9.53 12.7 9.53   22.23 12.7 28.58 34.93 41.28 47.63 53.98  
    600 24" 609.6 6.35 9.53 14.27 9.53 17.48 24.61 12.7 30.96 38.89 46.02 52.37 59.54  
    650 26" 660.4 7.92 12.7   9.53     12.7            
    700 28" 711.2 7.92 12.7 15.88 9.53     12.7            
    750 30" 762 7.92 12.7 15.88 9.53     12.7            
    800 32" 812.8 7.92 12.7 15.88 9.53 17.48   12.7            
    850 34" 863.6 7.92 12.7 15.88 9.53 17.48   12.7            
    900 36" 914.4 7.92 12.7 15.88 9.53 19.05   12.7            


     
    ASTM A106 GR.B seamless steel pipeASTM A53 GR.B seamless steel pipeASTM A210 seamless steel pipeASTM A210 seamless steel pipeAPI 5L GR.B seamless steel pipeASTM A213 seamless steel pipeDN 17175 ST35 seamless steel pipeEN10216-2 seamless steel pipe
    United Arab Emirates
    Pipe, Generic: Size 24 in, SCH STD,Material A106 carbon steel, Grade B,
    Specification B16-25 THK B36, Bevelled Ends, Seamless Type


    Saudi Arabia
    14” Seamless pipe with 1” wall thickness, ASTM A53 GR.B


    Chile
    API 5L-Gr-B size 323.85 mm x10.31 mm x 12 meters Long PE


    Brazil
    3/8" PIPE ASME B36.10 BE SCH 40 SEAMLESS ASTM A106 GR.B – 6 meters


    Nigeria
    MATERIAL:Seamless Steel Tubes.  GRADE:A106 Gr B.                
    SIZES:1)  60.32mm OD X +/- 5.54mm WT                
     2)  168.3mm OD X +/- 7.11mm WT                 


    Morocco
    Seamless Steel Pipe API 5L Grade B sch 40 with 3PE Coated pipe in polyethylene
    - 400 m; size 8'' inch (DN200) ;OD=219,08mm ; WT=8,18mm ; Length=5,8M
    - 100 m; size 4'' inch (DN100)  ;OD=114,3mm ; WT=6,02mm ; Length=5,8M


    Malaysia
    Standard weight seamless Steel Pipes to ASTM -A53  Grade A Schedule 40.
    1. 150mm seamless pipes = 1792m
    2. 200mm seamless pipes = 11531m
    3. 250mm Seamless pipes = 9240m


    Singapore
    Pipe Carbon Steel API 5L Seamless Pipe, Schedule– 40, Size– 500mm, Length– 6m each




     

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