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ASME / ANSI Duplex Stainless Steel U Bend Tube S32205 For Heat Exchanger

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ASME / ANSI Duplex Stainless Steel U Bend Tube S32205 For Heat Exchanger

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Large Image :  ASME / ANSI Duplex Stainless Steel U Bend Tube S32205 For Heat Exchanger

Product Details:
Place of Origin: CHINA, KOREA, USA
Brand Name: DINGXIN
Certification: GOST9941-81,ISO 9001
Model Number: SUS321 SUS 321H, S32205,S31803, S32750
Payment & Shipping Terms:
Payment Terms: L/C,T/T,Paypal
Detailed Product Description
High Light:

bending stainless steel tubing


heat exchanger tube

ASME / ANSI Duplex Stainless Steel U Bend Tube S32205 For Heat Exchanger


Quick Detail:


Heat Exchanger Duplex Stainless Steel U-Bend Tube

Manufacturing Process:

Cold drawn, Pickled, Annealed


ASTM A312/ A688 /A269/A249

Material Grade:

Austenitic:TP347H,TP316L/TP316, TP321, TP321H, TP304L ETC

EN Standard: 1.4401,1.4301,1.4541

Outside Diameter.

Φ6.00mm-Φ1500 mm; 1” NBto12” NB


1mm-8mm; SCH5/10/40/80





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 fields---Nuclear And Petrochemical Machine Building.



The U-Bend Tube Comply With The Following Standards:
1.    ASTM A688/ASME SA688
2.    ASTM A803/ASME SA803
3.    ASTM A556/ASME SA556


-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 Technical Requirements For Tubes Of Nickel And Nickel Alloy For
Condensers And Heat Exchangers.





The products are applied to trades such as papermaking, chemical industry, shipbuilding, petroleum, electricity, food, pharmacy, natural gas, metallurgry, architecture, sewage disposal, environmental protection, aerospace,heat exchanger, etc. Extensively.




American Standard

Austenitic Steel:




TP317(0Cr19Ni13Mo3), TP347(0Cr18Ni11Nb), TP347H(1Cr19Ni11Nb), TP321(0Cr18Ni10Ti),

Duplex Steel :

S32101,S32205,S31803,S32304,S32750, S32760

Others:TP405,TP409, TP410, TP430, TP439,...

European Standard


1.4841,1.4845,1.4539,1.4162, 1.4462, 1.4362, 1.4410, 1.4501






Heat Exchanger Duplex Stainless Steel U-Bend Tube



Material Grade

TP304/TP304L /TP316/ TP316L /TP316Ti /TP347/ TP347H /TP321/ TP321H / TP310S/TP310H / TP904L


2132 /2507/2520/2205


S31803, S32205 S32750 S32760 S32304 S32101

Outer Diameter

1.5*OD 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)

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.


Seamless Pipe: 1mm - 8mm; SCH 5/5S/10S/40s


According to the Standard.

Manufacturing Process

Cold Drawn, Bright Annealed, Pickling


UT,ET,HT,RT,Ect. and others according to the standard,or as the requests of the customers


GOST9941-81,ISO 9001:2008

Packing Details

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.

Payment Terms

T/T, D/P at sight, L/C at sight

Shipment Term

FOB, C&F, CIF, EXW, etc.

Delivery Time

Depend on the quantity


Competitive  Advantage:

1. We offer you our best price with good quality of the materials.

2. We will deliver the materials strictly according to the the delivery date noted on the contract.

3. We also always have the huge ready stock for sell.

4. We have advanced NDT equipments for the tests such as Eddy Current test, Ultrasonic test, Hydraulic test and so on.

5.We have complete after-sale service to deal with the problems in time.

6. Wooden case package which is strong and suitable for sea transportation is our main method to pack the pipes. And the economical packing method such as packing in bundles.



Heat Exchanger Duplex Stainless Steel U-Bend Piping Packing Photos:  


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