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

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Gaining customer satisfaction is our company's aim forever. We will make great efforts to develop new and top-quality products, meet your special requirements and provide you with pre-sale, on-sale and after-sale services for 17-4 Ph Stainless Steel Seamless Nickel Pipe , Stainless Hollow Section , 316l Stainless Pipe , We warmly welcome business partners from all walks of life, expect to establish friendly and cooperative business contact with you and achieve a win-win goal.

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

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Persisting in "High quality, Prompt Delivery, Competitive Price", we have established long-term cooperation with clients from both overseas and domestically and get new and old clients' high comments 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: Jamaica , kazan , Senegal , We have been perfectly devoted to the design, R&D, manufacture, sale and service of hair products during 10 years of development. We have introduced and are making full use of internationally advanced technology and equipment, with advantages of skilled workers. "Dedicated to providing reliable customer service" is our aim. We are sincerely looking forward to establishing business relationships with friends from at home and abroad.

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