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

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While in the past few years, our organization absorbed and digested innovative technologies both equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted for the advancement of A213 Tube , Steel Pipes , Stainless Steel Pipe , If you are interested within our products and solutions, you should come to feel absolutely free to ship us your inquiry. We sincerely hope to ascertain win-win company relationships with you.

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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The consumer fulfillment is our primary goal. We uphold a consistent level of professionalism, top quality, credibility and service 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: Guyana , kazakhstan , Greenland , Our company's main products are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.

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This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!