One of Hottest for Seamless Boiler Tube - Duplex Seamless tube – Donghao Metal Group

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As a way to finest meet up with client's wants, all of our operations are strictly performed in line with our motto "High Quality, Aggressive Price, Fast Service" for Stainless Steel Heat Exchanger Tubes , High Pressure Stainless Steel Pipe , Sus304 Stainless Steel Tube/Pipe , Our items have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. On the lookout ahead to make up a good and long-lasting cooperation with you in coming potential!

One of Hottest for Seamless Boiler 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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We're also concentrating on improving the things administration and QC program to ensure we could maintain terrific gain from the fiercely-competitive company for One of Hottest for Seamless Boiler Tube - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Ireland , Auckland , Slovak Republic , Now, with the development of internet, and the trend of internationalization, we've got decided to extend business to overseas market. With the propose of bringing more profits to oversea customers by providing directly abroad. So we have changed our mind, from home to abroad, hope to give our customers more profit, and looking forward to more chance to make business.

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The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.