professional factory for High Pressure Stainless Steel Pipe - Duplex Seamless tube – Donghao Metal Group

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We're committed to furnishing easy,time-saving and money-saving one-stop purchasing support of consumer for Super Duplex Stainless Steel , Heat Resistant Alloy Seamless Tube , Available Material , Customers first! Whatever you require, we should do our utmost to help you. We warmly welcome customers from all over the world to cooperate with us for mutual development.

professional factory for High Pressure Stainless Steel Pipe - 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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Generally customer-oriented, and it's our ultimate goal for being not only the most trusted, trustable and honest provider, but also the partner for our customers for professional factory for High Pressure Stainless Steel Pipe - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Auckland , Czech , Swiss , Now, with the development of internet, and the trend of internationalization, we have 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 has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!