Factory best selling Steel Tubing Suppliers - Duplex Seamless tube – Donghao Metal Group

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We continuously execute our spirit of ''Innovation bringing development, Highly-quality ensuring subsistence, Management advertising and marketing gain, Credit history attracting buyers for Astm A312 Tp321 Seamless Pipe , Heat Exchanger Stainless Steel Tube , Bended Tubing , We, with open arms, invite all interested buyers to visit our website or contact us directly for further information.

Factory best selling Steel Tubing Suppliers - 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 firm promises all consumers with the first-class products as well as most satisfying post-sale services. We warmly welcome our regular and new consumers to join us for Factory best selling Steel Tubing Suppliers - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Cologne , Algeria , El Salvador , we have complete material production line, assembling line , quality control system, and the most importantly, we have many patents technology and experienced technical&production team, professional sales service team. With all those advantages, we are going to create"the reputable international brand of nylon monofilaments", and spreading our products to every corner of the world. We are keep moving and try our best to serve our customers.

304l Stainless Steel Seamless Tube