Send Message

Yuhong Holding Group Co.,LTD

About Us
Factory Tour
Quality Control
Contact Us
Company News
Home ProductsU Bend Tube

Seamless Stainless U Bend Tubes and Welded Stainless U Bend Tube

Seamless Stainless U Bend Tubes and Welded Stainless U Bend Tube

  • Seamless Stainless U Bend Tubes and Welded Stainless U Bend Tube
  • Seamless Stainless U Bend Tubes and Welded Stainless U Bend Tube
  • Seamless Stainless U Bend Tubes and Welded Stainless U Bend Tube
  • Seamless Stainless U Bend Tubes and Welded Stainless U Bend Tube
Seamless Stainless U Bend Tubes and Welded Stainless U Bend Tube
Product Details:
Place of Origin: CHINA
Brand Name: YUHONG
Certification: ISO9001-2008
Payment & Shipping Terms:
Minimum Order Quantity: 1PC
Price: Negotiable
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time: 5-80 Days
Payment Terms: T/T, L/C
Supply Ability: 1500 tons per month
Contact Now
Detailed Product Description
High Light:

u bend pipe


seamless and welded pipe

Stainless Steel U Bend Tube, for  Boiler and Heat Exchanger , Cooling, condenser, Heatec application



Stainless steel U bend tubes are commonly used in a variety of applications such as boilers, heat exchangers, cooling systems, condensers and Heatec processes. These tubes are designed to be U-bent for efficient heat transfer and fluid flow.


Stainless steel is ideal for these applications because of its excellent corrosion resistance, high-temperature strength and durability. It can withstand harsh operating conditions, making it suitable for industries that require reliable, long-lasting tubing solutions.


When selecting stainless steel U bend tubes for a specific application, factors such as pipe size, wall thickness, material grade and manufacturing specifications must be considered. Consulting with a reputable supplier or manufacturer will help ensure that you select tubing that meets your specific requirements.


In addition, proper installation and maintenance are critical to ensuring optimal performance and longevity of your U-bends. Regular inspections and cleaning will help prevent any potential problems and maintain the efficiency of your system.


If you have any specific questions or other requirements regarding stainless steel u-bends, please feel free to provide more details and I will be happy to assist you further.


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.



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:




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.

Seamless Stainless U Bend Tubes and Welded Stainless U Bend Tube 0


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




Seamless Stainless U Bend Tubes and Welded Stainless U Bend Tube 1

Contact Details
Yuhong Group Co.,Ltd

Contact Person: Mr. Jikin Cai

Tel: +86-13819835483

Fax: 0086-574-88017980

Send your inquiry directly to us (0 / 3000)