China OEM Astm A312 Tp321 Seamless Pipe - Duplex Seamless tube – Donghao Metal Group

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China OEM Astm A312 Tp321 Seamless 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


Product detail pictures:

China OEM Astm A312 Tp321 Seamless Pipe -
 Duplex Seamless tube – Donghao Metal Group detail pictures

China OEM Astm A312 Tp321 Seamless Pipe -
 Duplex Seamless tube – Donghao Metal Group detail pictures

China OEM Astm A312 Tp321 Seamless Pipe -
 Duplex Seamless tube – Donghao Metal Group detail pictures


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We offer fantastic strength in high quality and enhancement,merchandising,income and marketing and procedure for China OEM Astm A312 Tp321 Seamless Pipe - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Bhutan , Manchester , Zimbabwe , We have been fully aware of our customer's needs. We deliver high quality products, competitive prices and the first class service. We would like to establish good business relationships as well as friendship with you in the near future.
  • The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!
    5 Stars By Lulu from Honduras - 2016.04.18 16:45
    The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By Atalanta from Pretoria - 2015.12.30 10:21
    
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