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

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With this motto in mind, we have become one of the most technologically innovative, cost-efficient, and price-competitive manufacturers for Stainless Steel Seamless Coiled Tubing , Astm A269 Tp304l Steel Tube , Stainless Steel Tube End Caps , Created products with brand value. We attend seriously to produce and behave with integrity, and by the favor of customers at home and abroad in the xxx industry.

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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Well-run devices, expert profits group, and better after-sales companies; We have been also a unified huge family, everybody keep on with the organization worth "unification, determination, tolerance" for 2017 New Style Boiler Tube - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Hongkong , Porto , Ghana , Welcome to visit our company, factory and our showroom where displays various hair products that will meet your expectation. Meanwhile, it is convenient to visit our website, and our sales staff will try their best to provide you the best service. Please contact us if you need more information. Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation.

316l Food Grade Stainless Steel Tubing

321 Steel Tube

Forged & Machined Parts

Seamless Stainless Steel Pipes 321

Stainless Tubing

Super Duplex Steel

The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!