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Large OD Size Stainless Steel Seamless Pipes







Stainless Steel Seamless Pipes is hollow bar, a large number of pipes used for conveying fluids, such as oil, gas, water, gas, steam,heat exchanger,mechanical machine. TP304/L, 316/L, 321, S31803.

Standard Size

OD: 219.1 - 508mm (8 INCH to 20 INCH)
WT: 12.7-60 mm
Production Capacity: 500 tons/Month

Application
Power generation, Boiler, Electricity, Mechanical, Shipbuilding, Gas cylinder, Chemical, Offshore and oil service…etc.

Main Testing Terms and Procedure:

  • 1. Heat Treatment and Solution Annealing / Bright Annealing
  • 2. Cutting to required length and deburring;
  • 3. Chemical Composition Analysis Test With 100% PMI and One tube from each heat by Direct Reading Spectrometer
  • 4. Visual Test and Endoscope Test for Surface Quality Test
  • 5. 100% Hydrostatic Test and 100% Eddy Current Test
  • 6. Ultrasonic Test subject to the MPS (Material Purchase Specification)
  • 7. Mechanical Tests includes Tension Test, Flattening Test, Flaring Test, Hardness Test
  • 8. Impact Test subject to Standard request
  • 9. Grain Size Test and Intergranular Corrosion Test
  • 10. Ultrasoic measuring of Wall Thickness
  • Marking & Packing

  • Marking according to MPS and Standard
  • Stainless Steel Tubes Ends with Caps according to PO
  • In Seaworthy Wooden Cases With Plastic Paper protect
  • In Plywood Cases With Plastic Paper Protect(Recommend, All Plywood Cases made by ourselves with lower cost.)
  • Steel Racks Package
  • Hexagonal packing in Bundles


  • Quality Control

  • Third Part Inspection Accepted according to EN 10204 3.2
  • ISO 9001 - 2008 issued by Lloyd's,
  • PED 97/23/EC By Lloyd's,
  • ASME Boiler and Pressure Vessel Code Certificated Certificate Issued by TUV


  • Grade(UNS): Austenitic Stainless Steel:
    304/304L/304H(1.4301/1.4306/1.4948); 316/316L(1.4401/1.4404); 316Ti(1.4571); 321(1.4541); 309S (1.4833); 310S(1.4845); 317L(1.4438)321H(1.4878); 347H (1.4550);

    Duplex Stainless Steel:
    S32001, S32003, S31500, 2205(1.4462); S32304,(1.4362);S31803,2507 (S32750), S32760(1.4501);S32101(1.4162);

    Super Austenitic Stainless Steel: 904L, S30432, S31042, 6Mo (S31254, N08367)

    Nickel Base Alloys:
    Alloy 20 (UNS N08020), Monel 200 (UNS 02200), Monel 400 (UNS N04400), Incoloy 800 (UNS N08800), Incoloy 800H (UNS N08810), Incoloy 800HT (UNS N08811), Incoloy 825 (UNS N08825), Inconel 600 (UNS N06600), 4J29, 4J36, GH3030, GH3039, C276 (UNS N10276)

    Martensitic Stainless Steel:410(1.4006), 410S(1.4000), 420(1.4021)

    Ferritic Stainless Steel:405(1.4002), 430(1.4016)

    Outside Diameter: 6 - 830mm
    Wall Thickness: 0.50 - 60mm
    Standards(Norm): EN 10216-5; DIN 17456, DIN 17458, DIN 2462, DIN 17455
    GB/T14975; T14976; T13296; GB5310;
    ASTM A213, A269, A312, A511, A789, A790, A928, A999, A1016, ASTM B161, ASTM B163, ASTM B165, ASTM B167, ASTM B338, ASTM B407, ASTM B423, ASTM B444,ASTM B619, ASTM B622, ASTM B626, ASTM B668, ASTM B677, ASTM B829
    JIS G3459, JIS G3463, JIS G3446, JIS G3447, JIS G3448, JIS G3468
    GOST 9940;GOST 9941;

    Use of stainless steel under high temperature condition refer table
    Corrosion Resistant Stainless Steel Tube
    Corrosion Resistance of Stainless Steel Tubes
    High Temperature Stainless Steel Tubes
    High Temperature Stainless Steel Tubes
    Heat resistant Stainless Steel Tubes
    Welded Stainless Steel Pipe
    U-bend Stainless Steel Tubes
    Heat Exchanger Tubes
    Nickel Alloys Pipes and Tubes
    Duplex Stainless Steel Tubes
    Boiler Tubes, Condenser Tubes
    Corrugated Seamless Stainless Steel Pipe Tube
    DIN 2391 Seamless Precision Steel Tubes
    DIN2391 Seamless Pricision Steel Tube Tubing Tubes
    Non Acid-resisting Stainless Steel Tube
    Bright Annealing Stainless Steel Tubes
    High Temperature-Tubes and Pipes Standards
    Heat Resistant Stainless Steels and Corrosion Resistant Stainless Steels-Valve Steels,Iron Baes Super alloys

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    Useful Tools:

    Metals weight Calculator
    Stainless Steel Weight Calculator
    Nickel Alloy Tubing Weight Calculator
    Sheet Plate Weight Calculator
    Hardness Values Conversion Calculator
    Hardness Conversion Calculator
    Length Weight Temperature Volume Pressure Conversion
    Pipe Working Pressure Calculation
    Pressure Conversion Converter Calculator
    Gauge Sizes - Wire Sheet Plate Tube
    Stainless Steel Pipe Schdule
    Nominal Pipe Size
    ANSI Pipe Chart

    Stainless Steel Tubing and Pipe:

    Heat Exchanger Tubes
    U Bend Stainless Steel Tubing
    Duplex Stainless Steel Pipe
    Boiler Tubes, Condenser Tubes
    Stainless Steel Seamless Pipes Corrugated Seamless Stainless Steel Pipe Tube
    Cold Drawn Bright Annealing Stainless Steel Tubes
    Heat resistant Stainless Steel Tubes
    Welded Stainless Steel Pipe
    Corrosion Resistant Stainless Steel Tube
    Corrosion Resistance of Stainless Steel Tubes
    Nickel Alloy Seamless Tubes:

    UNS N08020 2.4600 Nickel Alloy 20 Seamless Tubing
    UNS N02200 2.4066 200 Nickel Alloy Seamless Tubing
    UNS N04400 400 Nickel Alloy 2.4360 Nickel Alloy Tubing
    UNS N08800 800 Nickel Alloy Seamless Tubes
    UNS N08810 800H UNS N08810 Nickel Alloy Seamless Tubes
    UNS N08811 800HT Nickel Alloy Seamless Tubes
    UNS N08825 825 2.4858 Nickel Alloy Seamless Tubes
    UNS N06600 600 2.4816 Nickel Alloy Seamless Tubes
    UNS N06625 625 2.4856 Nickel Alloy Seamless Tubes
    UNS N10276 C-276 2.4819 Nickel Alloy Seamless Tubing
    Why Choose US?

    Production Equipment
    Testing Equipement
    Qualification and Certificates
    Quality Control Systerm
    Service Range and Procedure

    Contact US:
    sales@tubingchina.com