Jiangyin Donghao Stainless Steel Pipe  
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Boiler Tubes Condenser tubes



Donghao Stainless Steel Pipe has been assessed for approval of its production facility for stainless steel seamless pipes (Tubes). A quality control system established and operated by the company was audited by TUV Rheinland, and found the company has the facilities and capabilities to fabricate the cold finished (Cold-drawing and Rolling) Stainless Steel Seamless Pipes (Tubes) complied with the requirement of the applicable ASME/ASTM material standard of ASME Boiler and Pressure Vessel Code Section II Part A

High Pressure boiler tubes are those tubes, which have the capacity of handling with high pressure and temperature. We are having a comprehensive range of high pressure boiler tube. Our production unit is using premier quality of raw material in the production of high pressure boiler tubes.

Condenser are normally chosen for steam heating systems, particularly on water and CIP applications with variable temperature conditions or when inlet water or CIP temperature is low, causing thermal shock conditions. The design features a floating tube sheet arrangement to reduce tube stresses. Standard material for tube-side construction is stainless steel, making these units ideal for acid or alkali wash systems.

High Pressure Stainless Steel Boiler Tube, selected prime raw material,cold drawn, cleaning and smooth surface on OD/ID,Withstand high pressure,no deformation after cold bending, no crack and break after flattening and flaring etc.


Widely used in the following fields:
High Pressure Boiler, Heater and condenser ,Boiler tubing , Condenser tubing

Delivery Condition:

Bright annealed (BA) or Pickel Annealed (PA)

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

  • Certificates as below:

    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: 12.0, 14.0, 15.88, 19.05, 25.4, 31.75, 38.1mm etc;
    Wall Thickness: 1.24, 1.65, 2.0, 2.11, 2.77, 3.05mm etc;
    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


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    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 With US:
    E-mail:sales@tubingchina.com
    Tel: +86-159-61185386
    Fax: +86-510-86982929