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Factory source manufacturing for U Bend Stainless Steel Tube Duplex Steel U Bend Tube ASTM A789 S32750 SAF2507 supply to Saint Vincent and the Grenadines Exporter

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We've got quite possibly the most state-of-the-art production gear, experienced and qualified engineers and workers, acknowledged top quality handle systems along with a friendly expert gross sales group pre/after-sales support for Duplex Steel U Bend Tube ASTM A789 ASTM A789 S32750 SAF2507,U Bend Tube A789 S32750 For Heat Exchanger,ASME SA789 UNS S32750 U Bend Tube For Heat Exchanger. We constantly regard the technology and clients as the uppermost. We often get the job done hard to develop great values for our buyers and supply our buyers superior products and solutions & services.

Factory source manufacturing for U Bend Stainless Steel Tube Duplex Steel U Bend Tube ASTM A789 S32750 SAF2507 supply to Saint Vincent and the Grenadines Exporter

Detailed Product Description

Duplex Stainless Steel U Bend Tube , ASTM A789 S31803 (SAF2205), ASTM A789 S32750 (SAF2507), S32760(1.4501)


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 Group 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.

Steel Grade: 




Super Duplex


































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.

Duplex Stainless Steel U Bend Tube , ASTM A789 S31803 (SAF2205), ASTM A789 S32750 (SAF2507), S32760

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 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

The key to our success is "Good Merchandise High-quality, Reasonable Selling price and Efficient Service" for Duplex Steel U Bend Tube ASTM A789 S32750 SAF2507. The product will supply to all over the world, such as: Algeria,French Guiana,Kenya. "Quality first Price lowest Service best" is the spirit of our company. We sincerely welcome you to visit our company and negotiate mutual business!

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