Manufacturer of 304l Stainless Steel Pipe - Duplex Seamless tube – Donghao Metal Group

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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate inside our success for Seamless Steel Pipe , 310s Stainless Steel Pipe , High Pressure Tubes , We warmly welcome your participation based on mutual benefits in the near future.

Manufacturer of 304l Stainless Steel Pipe - 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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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for Manufacturer of 304l Stainless Steel Pipe - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Ghana , Guatemala , Estonia , To make every client satisfied with us and achieve win-win success, we will continue to try our best to serve and satisfy you! Sincerely looking forward to cooperating with more overseas customers based on mutual benefits and great future business. Thank you.

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We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!