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

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Adhering into the principle of "quality, provider, performance and growth", we now have gained trusts and praises from domestic and intercontinental consumer for Astm 269 Stainless Steel Tubing 304 , Seamless Stainless Steel Pipes 321 , T91 Tube , For more information, please send email to us. We are looking forwards the opportunity to service you.

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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Our mission should be to turn out to be an innovative supplier of high-tech digital and communication devices by furnishing benefit added design and style, world-class manufacturing, and repair capabilities 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: Malaysia , South Africa , Kuwait , We only supply quality items and we believe this is the only way to keep business continue. We can supply custom service too such as Logo, custom size, or custom merchandise etc that can according to customer's requirement.

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The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!