Quality Inspection for Third Party Inspection Certificates - Duplex Seamless tube – Donghao Metal Group

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Dependable high-quality and fantastic credit standing are our principles, which will help us at a top-ranking position. Adhering to your tenet of "quality very first, client supreme" for Stainless Customized Tubing , Tp439 Tube , 316l Stainless Tubing , We warmly welcome clients, enterprise associations and mates from all over the globe to speak to us and find cooperation for mutual rewards.

Quality Inspection for Third Party Inspection Certificates - 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've got a specialist, effectiveness staff to supply high quality service for our shopper. We always follow the tenet of customer-oriented, details-focused for Quality Inspection for Third Party Inspection Certificates - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Marseille , New York , British , 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.

304/316l Tubing