2017 New Style Boiler Tube - Duplex Seamless tube – Donghao Metal Group

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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for Astm A269 Stainless Steel Tubing , Duplex Steel Tube , Seamless Tube Suppliers , Through more than 8 years of business, we have accumulated rich experience and advanced technologies in the production of our products.

2017 New Style 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 attempt for excellence, company the customers", hopes to be the top cooperation team and dominator company for personnel, suppliers and customers, realizes price share and continual marketing for 2017 New Style Boiler Tube - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Irish , Liberia , Sheffield , Our R&D department always designs with new fashion ideas so we could introduce up-to-date fashion styles every month. Our strict production management systems always ensure stable and high quality products. Our trade team provides timely and efficient services. If there are any interest and inquiry about our products, please contact us in time. We would like to establish a business relationship with your honored company.

316l Food Grade Stainless Steel Tubing