Wholesale Price China Sa 789 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:



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We believe in: Innovation is our soul and spirit. Quality is our life. Shopper need is our God for Wholesale Price China Sa 789 Tube - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Frankfurt , Argentina , Casablanca , We maintain long-term efforts and self-criticism, which helps us and improvement constantly. We strive to improve customer efficiency to save costs for customers. We do our best to improve the quality of product. We will not live up to the historic opportunity of the times.
The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
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