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  • Introduction
  • Details
    Steel Tube


    ERW welded pipes (±0.15mm wall tolerance) and seamless tubes (ASTM A106 GR.B) with full NDE inspection. Compliant with API 5L/EN 10219 for critical load applications.


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    Product details

    Product Name: Precision Welded & Seamless Steel Pipes
    Overview
    ERW welded pipes (±0.15mm wall tolerance) and seamless tubes (ASTM A106 GR.B) with full NDE inspection. Compliant with API 5L/EN 10219 for critical load applications.


    Technical Specifications

    TypeProcessSize RangeStandards
    StructuralERW / Seamless⌀16-610mm × WT1.0-40mmASTM A500/A53
    Process PipingSeamless⌀6-457mm × SCH10-XXSAPI 5L/ASTM A106
    MechanicalCold Drawn⌀3-120mm × WT0.5-10mmEN 10305/DIN 2391
    Square/RectangleERW Forming20×20-400×400mm × WT1.0-16mmJIS G3466
    GalvanizedHot-Dip⌀15-300mm × Zn≥600g/㎡BS 1387/ASTM A53

    Key Advantages

     Structural Superiority

     40% higher bending resistance in rectangular tubes

     ±0.05mm tolerance for cold-drawn precision
     Energy Infrastructure

     HIC/SSC resistant for sour service (NACE TM0284)

     42MPa max working pressure (SCH160)
     Manufacturing Ready

     Pre-threaded/beveled ends (API 5CT)

     Laser-cut ends (flatness ≤0.1mm)
     Global Compliance

     EU CPD Certification (Construction)

     GOST 10704 (Russia CIS)
     Customization

     Length: Cut-to-length (6-18m)/ Random/ Coiled (⌀≤114mm)

     Surface: Sandblasted/Oiled/PE Coating


    Industry Solutions

    SectorApplicationsRecommended Product
    Oil & GasDrill CollarsAPI 5CT P110 ⌀73mm×9.2mm
    ConstructionSkyscraper ColumnsASTM A500 GR.C 400×400×16mm
    MachineryHydraulic CylindersDIN 2391 ST52 ⌀80mm×12mm
    ChemicalProcess PipingASTM A312 316L ⌀219mm×8mm
    SolarPV Tracker Rotation ShaftsS355J2H Round Tube ⌀60mm×3.0mm


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