Factory Cheap Hot Heat Exchanger Tubes - 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:
We believe that long term partnership is a result of high quality, value added service, rich experience and personal contact for Factory Cheap Hot Heat Exchanger Tubes - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Greenland , Salt Lake City , Rwanda , We also provide OEM service that caters to your specific needs and requirements. With a strong team of experienced engineers in hose design and development, we value every opportunity to provide best products for our customers.
By Kelly
from Latvia
- 2016.10.25 15:53
We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
By Princess
from Bangladesh
- 2016.11.12 12:31
