Yuhong Group Co.,Ltd
Zhejiang Yuhongwell Steel Co.,Ltd

Zhejiang Zhongwu Tube Manufacturing Co.,Ltd

 

 

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Home ProductsStainless Steel U Bend Tube

Stainless Steel Corrugated Tube, Eddy Current Test, Hydrostatic Test , Ultrasonic Test , ASTM A688, A789, A213 / SA213

Stainless Steel Corrugated Tube, Eddy Current Test, Hydrostatic Test , Ultrasonic Test , ASTM A688, A789, A213 / SA213

    • Stainless Steel Corrugated Tube, Eddy Current Test, Hydrostatic Test , Ultrasonic Test , ASTM A688, A789, A213 / SA213
    • Stainless Steel Corrugated Tube, Eddy Current Test, Hydrostatic Test , Ultrasonic Test , ASTM A688, A789, A213 / SA213
    • Stainless Steel Corrugated Tube, Eddy Current Test, Hydrostatic Test , Ultrasonic Test , ASTM A688, A789, A213 / SA213
    • Stainless Steel Corrugated Tube, Eddy Current Test, Hydrostatic Test , Ultrasonic Test , ASTM A688, A789, A213 / SA213
    • Stainless Steel Corrugated Tube, Eddy Current Test, Hydrostatic Test , Ultrasonic Test , ASTM A688, A789, A213 / SA213
  • Stainless Steel Corrugated Tube, Eddy Current Test, Hydrostatic Test , Ultrasonic Test , ASTM A688, A789, A213 / SA213

    Product Details:

    Place of Origin: China, USA, Korea, UE
    Brand Name: YUHONG
    Certification: ISO9001-2008
    Model Number: Stainless Steel Corrugated Tube,A213, A249, A269, A688, A789

    Payment & Shipping Terms:

    Minimum Order Quantity: 100KGS
    Price: negotiable
    Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Delivery Time: 10days->
    Payment Terms: T/T, L/C
    Supply Ability: 1500 tons per month
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    Detailed Product Description
    Stainless Steel Snake Tube: ASME SA213 / ASTM A213 TP304/304L Corrugatted Tube Duplex Snake Tube: ASME SA789 / ASTM A789 S31803 Corrugatted Tube
    Hastelloy Snake Tube: ASME SB611 / ASTM B622 Hastelloy C-276 Corrugatted Tube Inconel Snake Tube: ASME SB444 / ASTM B444 INCONEL 625 Corrugatted Tube

    Stainless Steel U Bend Tube, Eddy Current Test, Hydrostatic Test , Ultrasonic Test , Air Pressure Test , A213/SA213 , ASTM A249, ASTM A789, ASTM B163 , ASTM B444 ..

     

    U-Bend Tube are widely used in Heat Exchanger Systems. Heat-Exchanger Equipment on the basis of 

    Seamless Stainless U-Tubes and Welded Stainless U bend Tube is essential in strategically important and 

    critical felds---Nuclear And Petrochemical Machine Building.

    YUHONG SPECIAL STEEL Start to Produce U Bending Tube Since 2006, Up to now already supply more than 

    30000 tons Stainless Steel U Bend Tube to 35 countries.

     

     

    The U-Bend Tube Comply With The Following Standards:

    1.    ASTM A688/ASME SA688

    2.    ASTM A803/ASME SA803

    3.    ASTM A556/ASME SA556

     

    Steel Grade:

     

    Ferrite

    Austenite

    Duplex

    Super Duplex

    Ni-Alloys

    Titanium

    TP410

    TP405

    S44400

    S44660

    TP430

    TP304/304L

    TP316/316L

    TP316Ti

    TP317/317L

    TP321

    TP347

    S31803

    S32205

    S32304

    S32750

    S32760

    N06600

    N08020

    N00880

    N08825

    N08904

    Gr.2

     

     

     

     

     

     

     

     

     

     

    Tube Of Other Alloys And Steel Grades Can Be Produced Upon Agreement.

     

     

    Technical Requirements:

     

    Straight Tubes Standard Specification For Bending:

    ASME SA 213; ASME SB 163; ASME A789, ASME SA268, ASME SA269, etc.

    Marking: Before Bending By Marking Machine All Over The Tube Length (Bent Section After Heat 

    Treatment Without Marking)

    Note: Marking is also possible After Bending On The Straight Parts Of U-Bending Tube.

     

    U-Bend Tubes:

    -TEMA RCB 2.31 Standard Of The Tubular Exchanger Manufacturers Association (9th Edition).

    -ASTM A688/ASME SA688 Standard Specification For Welded Tubes Of Austenitic Corrosion Resistant 

    Steel Grade Designed For Feed Water Boilers.

    -ASTM B163/ASME SA163 Standard Techinical Requirements For Tubes Of Nickel And Nickel Alloy For 

    Condensers And Heat Exchangers.

     

    -Customer Specifications.

    Stainless Steel Corrugated Tube, Eddy Current Test, Hydrostatic Test , Ultrasonic Test , ASTM A688, A789, A213 / SA213

     

    Bending Radius: From 1.5*OD(Outside Diameter) To 1500mm

    When Ordering Tubes With Radius less or equal to 1.5*OD, It Is Necessary To Agree Precision Of Geometrics.

    Straight Tubes Maximum Length:(Before Bending): 35000 mm.

    Leg Length: Min 1 Meter, Max. 16500 mm (For Max R=1500mm)

    Note: Other Size Are Available Upon Agreement.

    Heat Treatment: Stress Relieved After U-Bending (Bending Area Plus 300MM For Each Leg).

    Hydrostatic Test After U Bending: Maximum Test Pressure 600 Bar, Soaking 10 Sec. With 

    Dematerialized Water. Compressed Air Cleaning After Hydro-Test.

    Packaging: In Strong Transport-Worthy Pre-fumigated wooden boxes of corresponding dimensions for 

    each tube Length, Radius, Diameter, According To PO requirements as well as wrapped In polyethylene 

    films With soft plastic caps on both end of Tube.

     

     

    Features :

    • 'U' bending is done by cold working process.
    • 'U' bending is done to the required radius as per customer drawings.
    • The bend portion and six inch leg is stress relieved by resistance heating.
    • Inert gas (Argon) is passed through it at the required flow rate to avoid oxidation in ID.
    • The radius is checked for its OD and wall thinning with the recommended specification.
    • The physical properties and micro-structure is checked at three different position.
    • Visual inspection for waviness and cracks is done with Dye Penetrant Test.
    • Each tube is then hydro tested at the recommended pressure to check for leakage.
    • Cotton ball test is done to check the ID cleanliness of the tube.
    • Thereafter pickled, dried, marked and packed.
    • All procedure is strictly followed as per TEMA "C" and ASTM A-688.

    Some of the quality tests carried out by us includes:

    Corrosion Test Conducted only when specially requested by the client
    Chemical Analysis Test done as per required quality standards
    Destructive / Mechanical Testing Tensile | Hardness | Flattening | Flare | Flange
    Reverse-bend and Re. flat tests Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end
    Eddy Current Testing Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System
    Hydrostatic Testing 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s .
    Air Under Pressure Test To check any evidence of air leakage
    Visual Inspection After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections


    Supplementary Testing : Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:

    • Eddy Current Testing
    • O.P Testing
    • Radiography Testing
    • Corrosion Testing
    • Micro Testing
    • Macro Testing
    • IGC Testing
    • Ultrasonic testing
    • Liquid Penetrate testing

     

    Stainless Steel Corrugated Tube, Eddy Current Test, Hydrostatic Test , Ultrasonic Test , ASTM A688, A789, A213 / SA213

    Contact Details
    Yuhong Group Co.,Ltd

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