China Gold Supplier for Stainless Steel Welded Tube - Duplex Seamless tube – Donghao Metal Group

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China Gold Supplier for Stainless Steel Welded 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:

China Gold Supplier for Stainless Steel Welded Tube -
 Duplex Seamless tube – Donghao Metal Group detail pictures

China Gold Supplier for Stainless Steel Welded Tube -
 Duplex Seamless tube – Donghao Metal Group detail pictures

China Gold Supplier for Stainless Steel Welded Tube -
 Duplex Seamless tube – Donghao Metal Group detail pictures


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To meet the customers' over-expected satisfaction , we have our strong team to provide our best overall service which includes marketing, sales, designing, production, quality controlling, packing, warehousing and logistics for China Gold Supplier for Stainless Steel Welded Tube - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Detroit , Juventus , Hyderabad , Adhering to the management tenet of "Managing Sincerely, Winning by Quality", we try our best to provide excellent products and service to our clients. We look forward to making progress together with domestic and international clients.
  • A good manufacturers, we have cooperated twice, good quality and good service attitude.
    5 Stars By Belinda from Serbia - 2015.02.08 16:45
    The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.
    5 Stars By Princess from Nicaragua - 2015.06.05 13:10
    
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