Quality Inspection for Third Party Inspection Certificates - 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:



Related Product Guide:
Our primary goal is to offer our clients a serious and responsible business relationship, providing personalized attention to all of them for Quality Inspection for Third Party Inspection Certificates - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Estonia , Spain , Mexico , We provide good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We will produce the goods according to your request. If you are interested in any products we offer, please feel free to contact us directly by mail, fax, telephone or internet. We are here to answer your questions from Monday to Saturday and looking forward to cooperating with you.
In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
-
Good Quality Stainless Steel Water Pipe - Dupl...
-
One of Hottest for Seamless Steel Pipe - Ferri...
-
Free sample for Astm A312 304/316 Stainless Ste...
-
High Quality for Admiralty Brass Tube - High p...
-
Factory Cheap Pneumatic Tubing - Duplex Seamle...
-
2017 Latest DesignBest Selling Stainless Steel ...