Good User Reputation for 321 Stainless Steel Pipes - Duplex Seamless tube – Donghao Metal Group

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as theory of "quality the basic, have faith in the initial and administration the advanced" for Aisi 321 Stainless Steel Pipe , Stainless Steel Pipe 304 , Wholesale Stainless Steel Pipe , Special emphasis around the packaging of merchandise to avoid any damage during transportation,Detailed interest into the useful feedback and strategies of our esteemed shoppers.

Good User Reputation for 321 Stainless Steel Pipes - 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 are experienced manufacturer. Wining the majority from the crucial certifications of its market for Good User Reputation for 321 Stainless Steel Pipes - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Pakistan , Oman , Burundi , Being guided by customer demands, aiming at improving the efficiency and quality of customer service, we constantly improve goods and give more detailed services. We sincerely welcome friends to negotiate business and start cooperation with us. We hope to join hands with friends in different industries to create a brilliant future.

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With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.

By Mamie from Casablanca - 2015.09.29 13:24

The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.

By Eartha from Paris - 2016.06.25 12:48