Factory wholesale S31803 Tube - Duplex Seamless tube – Donghao Metal Group

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Assume full accountability to fulfill all demands of our purchasers; attain continual advancements by marketing the advancement of our clientele; grow to be the final permanent cooperative partner of purchasers and maximize the interests of purchasers for Third Party Inspection Certificates , 321 Steel Tube , Tp430 Seamless Steel Tube , We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!

Factory wholesale S31803 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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Using a complete scientific high quality management program, superior high quality and superior faith, we acquire great reputation and occupied this industry for Factory wholesale S31803 Tube - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Bahamas , Madagascar , Swiss , we always keep our credit and mutual benefit to our client, insist our high quality service to moving our clients. always welcome the our friends and clients to come and visit our company and guid our business, if you are interested in our products, you can also submit your purchase information online, and we will contact you immediately, we keep our highly sincere cooperation and wish everything in your side are all well.

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We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!

By Mag from Zimbabwe - 2015.12.25 12:43

Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.

By King from Honduras - 2015.02.12 14:52