2019 New Style 321 Steel Tube - Duplex Seamless tube – Donghao Metal Group

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  • 2019 New Style 321 Steel Tube - Duplex Seamless tube – Donghao Metal Group
  • 2019 New Style 321 Steel Tube - Duplex Seamless tube – Donghao Metal Group
  • 2019 New Style 321 Steel Tube - Duplex Seamless tube – Donghao Metal Group

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Using a total scientific good quality management process, superior high quality and excellent faith, we get great name and occupied this field for Custom Steel Tubing Suppliers , Seamless Tube Price 304 , Stainless Steel Seamless Tube , We are looking forward to even greater cooperation with overseas customers based on mutual benefits. Please feel free to contact us for more detail!
2019 New Style 321 Steel 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

Product detail pictures:

2019 New Style 321 Steel Tube - Duplex Seamless tube – Donghao Metal Group detail pictures

2019 New Style 321 Steel Tube - Duplex Seamless tube – Donghao Metal Group detail pictures

2019 New Style 321 Steel Tube - Duplex Seamless tube – Donghao Metal Group detail pictures

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We usually believe that one's character decides products' high quality, the details decides products' excellent ,with the REALISTIC,EFFICIENT AND INNOVATIVE staff spirit for 2019 New Style 321 Steel Tube - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Colombia , Canberra , Brisbane , Our company will continue to adhere to the " superior quality, reputable, the user first " principle wholeheartedly. We warmly welcome friends from all walks of life to visit and give guidance, work together and create a brilliant future!

    • Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Cornelia from Slovakia - 2015.05.13 17:00
    The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
    5 Stars By Annabelle from California - 2015.05.15 10:52

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