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ASME SB677 / ASTM B677 UNSNO8904 (904L) Heat Exchanger Tube Stainless Steel U Bend Tube

Categories U Bend Tube
Brand Name: YUHONG SPECIAL STEEL
Model Number: Heat Exchanger Stainless Steel U Bend Tube, ASTM A688,ASTM A213 , ASME SA213 , ASTM A249, ASME SA249, B163,B167, B444
Certification: ISO9001-2008
Place of Origin: China,USA, Korea, UE
MOQ: 100KGS
Price: negotiable
Payment Terms: T/T, L/C
Supply Ability: 1500 tons per month
Delivery Time: 10days->
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Material Grade: UNS NO8904, 904L
Standard: ASTM B677, B674, ASME SB677 , SB674
Type: U bend , straight , coil
Surface: Mill Finished, Bright Annealed , Polished
NDT: ET, UT, HT
Company Info.
Yuhong Group Co.,Ltd
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    ASME SB677 / ASTM B677 UNSNO8904 (904L) Heat Exchanger Tube Stainless Steel U Bend Tube

    Heat Exchanger Tube , ASME SB677 / ASTM B677 UNSNO8904 (904L) Stainless Steel U Bend Tube


    YUHONG SPECIAL STEEL deal with Austenitic Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ) seamless and welded pipe and tube already more than 25 years, every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Korea, Singapore, Austrial, Poland, France , ....And our group branch company and factory have been already approved by :ABS, DNV, GL, BV, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2008, ISO 14001-2004.


    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/TP304H

    TP316/316L/TP316H

    TP316Ti

    TP317/317L

    TP321/TP321H

    TP347/TP347H

    TP310S/TP310H

    N08904/904L

    S31803

    S32205

    S32304

    S31500

    S32750

    S32760

    C276

    MONEL400

    HASTELLOY B

    HASTELLOY 22

    N06600

    N06625

    no6690

    N08020

    N08800

    N08810

    N08811

    N08825


    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, ASTM B677/ASME SB677etc.

    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.


    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.


    Some of the quality tests carried out by us includes:

    Corrosion TestConducted only when specially requested by the client
    Chemical AnalysisTest done as per required quality standards
    Destructive / Mechanical TestingTensile | Hardness | Flattening | Flare | Flange
    Reverse-bend and Re. flat testsCarried 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 TestingDone to detect homogeneities in subsurface by using Digital Flaw-mark Testing System
    Hydrostatic Testing100% 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 TestTo check any evidence of air leakage
    Visual InspectionAfter 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

    Product Tags:

    u bend pipe

      

    seamless and welded pipe

      
    Quality ASME SB677 / ASTM B677 UNSNO8904 (904L) Heat Exchanger Tube Stainless Steel U Bend Tube for sale
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