Well-designed Seamless Steel Pipeline - Duplex Seamless tube – Donghao Metal Group

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With the "Client-Oriented" business philosophy, a rigorous quality control system, advanced manufacturing equipment and a strong R&D team, we always provide high quality products, excellent services and competitive prices for Hrsg Tube , 321 Steel Tube , Finished Tubing Parts , We promise to try our greatest to deliver you with high quality and economical products and services.

Well-designed Seamless Steel Pipeline - 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 growth depends to the superior products ,great talents and repeatedly strengthened technology forces for Well-designed Seamless Steel Pipeline - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Montreal , Sudan , Riyadh , We are fully aware of our customer's needs. We provide 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.

316l Stainless Steel Pipe