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Stainless Steel U Bend Tube ASME B163 B677 N8904 / 904L Pickled and Annealed & Plain End

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Stainless Steel U Bend Tube ASME B163 B677 N8904 / 904L Pickled and Annealed & Plain End

Stainless Steel U Bend Tube ASME B163 B677 N8904 / 904L Pickled and Annealed & Plain End
Stainless Steel U Bend Tube ASME B163 B677 N8904 / 904L Pickled and Annealed & Plain End Stainless Steel U Bend Tube ASME B163 B677 N8904 / 904L Pickled and Annealed & Plain End Stainless Steel U Bend Tube ASME B163 B677 N8904 / 904L Pickled and Annealed & Plain End Stainless Steel U Bend Tube ASME B163 B677 N8904 / 904L Pickled and Annealed & Plain End Stainless Steel U Bend Tube ASME B163 B677 N8904 / 904L Pickled and Annealed & Plain End

Large Image :  Stainless Steel U Bend Tube ASME B163 B677 N8904 / 904L Pickled and Annealed & Plain End

Product Details:
Place of Origin: CHINA
Brand Name: STONE
Certification: ISO
Model Number: STONE
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: According to customer’s requirment
Delivery Time: 7-15days
Payment Terms: L/C,T/T,Paypal
Supply Ability: 1500 tons per month
Detailed Product Description
High Light:

heat exchanger tube

,

heat exchanger u tube

 
Applications The common application fields are:

  • heat exchangers (condensers, evaporators, sea water desalinators)
  • chemical and petrochemical industries
  • food processing and refrigeration industries

Technical Specifications

U-bent tubes are manufactured according to the technical specifications requested by customers:
 

  • Outside diameter of the tube: 6 ÷ 90 mm.
  • Maximum overall length: > 26 m.
  • Bending radius (min.): 1,5 × tube diameter.
  • Bending radius (max.): 1200 mm.
  • Heat treatment (by Joule effect on bent area) in inner and outer inert atmosphere.
  • Anti oxidation surface treatment (with protective oils).
  • Trimming and deburring of the ends.
  • Internal cleaning and caps insertion.
  • Packing in custom racks.

 
Stainless Steel U Bend Tube ASME B163 B677 N8904 / 904L Pickled and Annealed & Plain End
 
 
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 
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 U Bend Tube ASME B163 B677 N8904 / 904L Pickled and Annealed & Plain End 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

 

 
 
 


 

 
 

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