Good User Reputation for 321 Stainless Steel Pipes - 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 well-equipped facilities and great good quality regulate throughout all stages of manufacturing enables us to guarantee total buyer gratification for Good User Reputation for 321 Stainless Steel Pipes - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Cyprus , Detroit , Ukraine , Wide selection and fast delivery for you! Our philosophy: Good quality, great service, keep improving. We are looking forward that more and more oversea friends join in our family for further development near the future!
By Mary
from Luxembourg
- 2015.11.02 11:11
The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
By Marina
from Bangkok
- 2016.04.18 16:45
