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Stainless Steel Seamless ASME SA312 TP310S U Bend Tube

Stainless Steel Seamless ASME SA312 TP310S U Bend Tube

  • Stainless Steel Seamless ASME SA312 TP310S U Bend Tube
  • Stainless Steel Seamless ASME SA312 TP310S U Bend Tube
  • Stainless Steel Seamless ASME SA312 TP310S U Bend Tube
Stainless Steel Seamless ASME SA312 TP310S U Bend Tube
Product Details:
Place of Origin: CHINA
Brand Name: YUHONG
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008.
Model Number: ASME SA312 TP310S
Payment & Shipping Terms:
Minimum Order Quantity: 100KGS
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time: 20-80
Payment Terms: L/C, T/T
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Detailed Product Description
SIZE: 42.2MM * 2.97MM * 6418MM MATERIAL: TP310S
Raw Material: PIPE Application: Pipes Processing,profile,square And Round Pipe Bending,bar
Product Name: Hydraulic Cnc Bending Machine,DW38CNCx2A-1S Steel Pipe U Bolt Newest OEM Used Tube Bending Machine,Pipe Profile Bending Machine,High Efficiency Automatic Cnc U Type Pipe Copper Pipe Bending Machine Voltage: 220V/380V/415V/440V/customized,380V/50Hz/3phase,380V
Usage: Bending, Pipe And Tube Bending,Heat Exchanger,pipe Tube Forming,Round Bar
High Light:

TP310S U Bend Tube


ASME SA312 U Bend Tube


ASME SA312 Stainless Seamless Tube



We are one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China. With development more than 20 years, we have accumulated a great many clients all around the world and Yuhong products also won the great praise among the customers.


Our main products: Stainless/Duplex/Nickel Alloy Pipe/Tube/Fitting/Flange:

1>.A:Stainless Steel Grade: TP304/304L/304H, TP310S/310H, TP316/316L/316Ti/316H, TP317L/317LN, TP321/321H, TP347/347H, NO8904(904L),

B:PH Stainless Steel:17-4PH(1.4542), 17-7PH(1.4568),15-7PH(1.4532)

C:Duplex Steel Grade: S31803(2205), S32750(2507), S32760, S32304, S32101, S31254(254Mo), 235Ma, UNS NO8926, NO8367.
D:Nickel Alloy Steel Grade:Hestalloy:C-276, C-4, C-22, C-2000, X, B-2, B-3, G-30, G-35. Monel:400,401, 404, R-405, K500.


Inconel:600, 601, 617, 625, 690, 718, 740, X-750. Incoloy:800, 800H, 800HT, 825, 840.

Pure Nickel:Ni-200, Ni-201, Ni-270. NS Alloy:Ns 1101, NS1102, NS1103,NS3105.

2>.Standards: ASTM A213, A249, A269, A312, A789,A790, B163,B167, B444, B677,... and ASME,DIN, EN, JIS, BS, GOST,...

3>.Out diameter sizes range: 0.5mm~650mm. Wall thickness:0.05mm~60mm. Max. length under 26 meters/PC.
4>.Seamless & welded, Solution Pickling/Bright Annealed / Polished.


Advantage Products: (Boiler & Heat Exchanger & Condenser Tube):


ASTM A213(TP304,TP304L,TP304H,TP310S,TP316L,TP316Ti, TP317/L, TP321/H, TP347/H)

ASTM A249(TP304,TP304L,TP316L, TP321/H)
ASTM A789(S31803(2205), 32750(2507), S31254(254MO),S32304)

ASTM B163/B167/B444 for Nickel Alloy Steel Tube

ASTM B677 UNS NO8904(904L)

ASTM B111(70400, C70600, C71500, C71640, C68700, C44300)

Other Standard: EN10216-5, DIN 17456, DIN17458, GOST9941-81, JIS-G3459, JIS-G3463


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 Seamless ASME SA312 TP310S 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.


Features :

  • 'U' bending is done by cold working process.
  • 'U' bending is done to the required radius as per customer drawings.
  • The bend portion and six inch leg is stress relieved by resistance heating.
  • Inert gas (Argon) is passed through it at the required flow rate to avoid oxidation in ID.
  • The radius is checked for its OD and wall thinning with the recommended specification.
  • The physical properties and micro-structure is checked at three different position.
  • Visual inspection for waviness and cracks is done with Dye Penetrant Test.
  • Each tube is then hydro tested at the recommended pressure to check for leakage.
  • Cotton ball test is done to check the ID cleanliness of the tube.
  • Thereafter pickled, dried, marked and packed.
  • All procedure is strictly followed as per TEMA "C" and ASTM A-688.


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



Stainless Steel Seamless ASME SA312 TP310S U Bend Tube 1 

Contact Details
Yuhong Group Co.,Ltd

Contact Person: Jikin Cai

Tel: +86-13819835483

Fax: 0086-574-88017980

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