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Phone Number : +86 573 82717867

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3 / 4 Inch TP309S / 310S Heat Exchanger Tube , U Bend ERW Welded Tube

Minimum Order Quantity : negotiable Price : 3700-9000USD/TON
Packaging Details : Plywood Case Delivery Time : 30 Days
Payment Terms : T / T ; L / C Supply Ability : 300 Tons / Month
Place of Origin: CHINA Brand Name: MTSCO
Certification: ISO 9001 & PED & AD2000 Model Number: MTSCOHET37

Detail Information

Material: 300 Series Surface: Pickling
U Bent Part Surface: Annealing , Not Pickling Length: 18 M
Standard: ASTM A213 Inspection: 100%
High Light:

heat transfer tube


heat exchanger tubing

Product Description

3 / 4 Inch TP309S / 310S Stainless Steel Heat Exchanger U Bend ERW Welded Tube
   Our heat exchanger tube with pickling and annealing surface is very popular in boilers and heat exchangers industry , water heater industry , air-conditioning industry etc . This kind of seamless tubes are have a very important position in our all products .
Chemical Composition

 C(max)Si(max)P(max)S(max)CrNiMo Ti
TP321/1.45410.0801.000.0450.03017.0-19.09.0-12.0 0.7>5x(C+N)



a) For fluid & gas transport
b) Structure & machining etc
a) Advanced technology of cold draw machine
b) Advanced annealing machine
c) Better mechanical property
d) More precise dimension
e) Perfect inspection method and inspection equipment etc
Process :
1 . We use Cold Drawn techonology to produce U bend tube 
2 . U bend tubes produce will accordance to customer's drawings
3 . To avoid oxidation , inert gas (Argon) is passed through tubes ID at the required flow rate
4 . The radius is checked for its OD and wall thinning with the recommended specification
5 . We'll choose three different position or as customer's require to make sure tubes quality . We'll do physical properties and micro-structure test 
6 . Visual inspection for waviness and cracks is done with Dye Penetrant Test
7 . Each tube is then hydro tested at the recommended pressure to check for leakage

3 / 4 Inch TP309S / 310S Heat Exchanger Tube , U Bend ERW Welded Tube 0

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