China Manufacturer for Tp304/316l/321 Stainless Steel - Duplex Seamless tube – Donghao Metal Group

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With this motto in mind, we've turn into one of quite possibly the most technologically innovative, cost-efficient, and price-competitive manufacturers for Hrsg Tube , Forged & Machined Parts , Stainless Tube Tp304 , We have exported to more than 40 countries and regions, which have gained good reputation from our costumers all over the world.

China Manufacturer for Tp304/316l/321 Stainless Steel - 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 know that we only thrive if we can guarantee our combined rate competiveness and good quality advantageous at the same time for China Manufacturer for Tp304/316l/321 Stainless Steel - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Croatia , Mongolia , Ethiopia , We'd like to invite customers from abroad to discuss business with us. We can provide our clients with high quality products and excellent service. We are sure that we will have good cooperative relationships and make a brilliant future for both parties.

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