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

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We have advanced equipment. Our products are exported to the USA, the UK and so on, enjoying a good reputation among customers for Stainless Steel Tube End Caps , 321 Steel Tube , 306 321 Stainless Steel Tubing , Warmly welcome to cooperate and develop with us! we will continue to provide product with high quality and competitive price.
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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The business keeps to the operation concept "scientific management, premium quality and efficiency primacy, customer supreme 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: Detroit , Guatemala , Cairo , Providing Quality Products, Excellent Service, Competitive Prices and Prompt Delivery. Our products are selling well both in domestic and foreign markets. Our company is trying to be one important suppliers in China.
  • Reasonable price, good attitude of consultation, finally we achieve a win-win situation,a happy cooperation!
    5 Stars By Judith from Ethiopia - 2015.09.23 17:37
    This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
    5 Stars By Betsy from Orlando - 2015.09.23 17:37
    
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