Factory made hot-sale U Heat Exchanger Tube - Duplex Seamless tube – Donghao Metal Group

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Being supported by an highly developed and specialist IT team, we could give technical support on pre-sales & after-sales service for 321 Stainless Steel Pipe , Control Line Tubing , Cooper Nickel Tube , Our products are regularly supplied to many Groups and lots of Factories. Meanwhile, our products are sold to the USA, Italy, Singapore, Malaysia, Russia, Poland, and the Middle East.

Factory made hot-sale U Heat Exchanger Tube - Duplex Seamless tube – Donghao Metal Group Detail:

As the duplex and super duplex stainless steel has both the advantages of ferritic stainless steel and the austenitic stainless steel, they are widely used to produce heat transferring tubing for petrochemical industry, sea water treatment…. in aggressive acidic, chloride containing environments. DMG supply duplex tubes with high quality.

Delivery Condition: Annealed & Pickled, Annealed & Pickled + Polished

Grades: S31803, S32205, S32750, S32550, S32760, Other grades can be offered on request.

Standards:

ASTM/ASME A/ SA789 Seamless and welded Ferritic /Austenitic Stainless Steel Tubing for General Service

ASTM/ASME A/SA790 Seamless and welded Ferritic /Austenitic Stainless steel pipe

Outside diameter range from 12-76.2mm

Wall thickness range from 0.71-12mm

Inspection & Test：

1. 100% PMI / Chemical analysis tests.

2.100% Dimension tests & 100% Visual examination

3. Tension test, flange test, hardness test, flattening test

4. 100% Eddy Test or Hydrostatic Test before bending and 100% Hydrostatic test after bending

5. Checking stress released heat treatment in bending area plus 300mm straight leg length after bending with agreement with clients.

Notes: all the tests and inspection need to provide with reports according to standard and test results.

Length: Random Length / Fixed Length

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Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs for Factory made hot-sale U Heat Exchanger Tube - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: St. Petersburg , Liverpool , London , we're now looking forward to even greater cooperation with overseas customers based on mutual benefits. We are going to work wholeheartedly to improve our products and services. We also promise to work jointly with business partners to elevate our cooperation to a higher level and share success together. Warmly welcome you to visit our factory sincerely.

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Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,

By Rebecca from USA - 2016.10.25 15:53

Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!

By Marina from Palestine - 2016.05.21 12:31