Factory supplied Astm 304 321 316 316l Stainless Steel Tube - Duplex Seamless tube – Donghao Metal Group

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"Based on domestic market and expand overseas business" is our development strategy for 321 Stainless Steel Tubing , Wind Tower Flanges , New Hot-Sale China Factory Direct Sale Stainless Steel , To better expand market, we sincerely invite ambitious individuals and companies to join as an agent.
Factory supplied Astm 304 321 316 316l Stainless 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:

Factory supplied Astm 304 321 316 316l Stainless Steel Tube -
 Duplex Seamless tube – Donghao Metal Group detail pictures

Factory supplied Astm 304 321 316 316l Stainless Steel Tube -
 Duplex Seamless tube – Donghao Metal Group detail pictures

Factory supplied Astm 304 321 316 316l Stainless Steel Tube -
 Duplex Seamless tube – Donghao Metal Group detail pictures


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We enjoy an extremely good status among our prospects for our great merchandise top quality, competitive price and the ideal service for Factory supplied Astm 304 321 316 316l Stainless Steel Tube - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: United States , New Zealand , South Korea , We have our own registered brand and our company is developing rapidly owing to high quality products, competitive price and excellent service. We sincerely hope to establish business relations with more friends from home and abroad in the near future. We look forward to your correspondence.
  • The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.
    5 Stars By Karl from Maldives - 2015.05.15 10:52
    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 Alva from South Korea - 2016.05.21 12:31
    
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