Tp317 Tp310s Tp347h Tp316L TP304 Seamless U Bend Tube

• Customization: Available
• After-sales Service: Change Against Defect or Technical
• Warranty: 1 Year
• Technique: Cold Drawn
• Material: Stainless Steel
• Usage: Boiler Pipe
• Section Shape: Special Section
• Quality Control: Hydro, Eddy Current,Ut,PMI
• Mill′s Test Certificate: En10204 3.1 or 3.2 on Request
• Transport Package: Wooden Case
• Specification: 1/8" to 24"
• Trademark: OEM/KM
• Origin: China

Product Description

Tp317 TP310S TP347H TP316L TP304 Seamless U Bend Tube 

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 
It is essential in strategically important and critical fields---Such as Nuclear And Petrochemical Machine Building.
 
OD: 6-159mm
WT: 0.3-3.0mm
 
Type: Seamless, Welded
 
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:
 
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 Market 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.
 
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.
 
Surface:
Bare tube, annealed & pickling
180G, 320G, 400G Satin / Hairline
400G, 500G, 600G or 800G Mirror finish
According to customers' requirement
 
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.
 
Company Profile
From 1989 to now, Kingmetal Steel focus on manufacturing and distributing pipeline products including piping, fitting, flange, valve and fastener in stainless, carbon, alloy and duplex steel.
Kingmetal has a factory to manufacture seamless stainless steel pipe from DN6 to DN600 and distribute seamless steel pipe and fitting from top brand manufacturers such as Baosteel, Hengsteel, Tiansteel and Pansteel etc.
All of products are strictly compliance with standard, 100% inspection passed including visual, dimension and PMI test before shipment.
Both our sales and logistic teams are over 10 years of experiences and training frequently.
After- sales service with high efficiency, if any products are short quantity/weight or damaged caused by manufacturing, design or transportation can be compensated.

Why choose us?
One-Stop Solution
We have thousands of total production experience, from raw materials to finished products.
Competitive Price
Large scale purchase, standardized production process and efficient management make our price competitive.
Quick Shipping
Years of export experience enable us to control the transportation time more accurately.
Quality Control
The standardized production process, comprehensive management system, professional testing equipment
Special material customization
We support the customization of various complex materials
OEM/ODM
We support any form of OEM/ODM customization requirements.