2019 New Style 321 Steel Tube - Duplex Seamless tube – Donghao Metal Group

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"Based on domestic market and expand abroad business" is our enhancement strategy for Stainlees Steel Seamless Round Pipe , Ss 316l Tube , C70600 Tube , Warmly welcome to cooperate and develop with us! we are going to continue to provide product or service with high quality and competitive rate.
2019 New Style 321 Steel 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


Product detail pictures:

2019 New Style 321 Steel Tube -
 Duplex Seamless tube – Donghao Metal Group detail pictures

2019 New Style 321 Steel Tube -
 Duplex Seamless tube – Donghao Metal Group detail pictures

2019 New Style 321 Steel Tube -
 Duplex Seamless tube – Donghao Metal Group detail pictures


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"Sincerity, Innovation, Rigorousness, and Efficiency" would be the persistent conception of our enterprise with the long-term to build with each other with consumers for mutual reciprocity and mutual advantage for 2019 New Style 321 Steel Tube - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Uganda , Holland , Korea , We have been very responsible for all details on our customers order no matter on warranty quality, satisfied prices, quick delivery, on time communication, satisfied packing, easy payment terms, best shipment terms, after sales service etc. We provide one-stop service and best reliability to our every customers. We work hard with our customers, colleagues, workers to make a better future.
  • It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
    5 Stars By Frances from South Korea - 2016.12.31 14:53
    The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.
    5 Stars By Hazel from Armenia - 2016.09.22 11:32
    
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