2017 Good Quality Stainless Steel Welded Pipe - Duplex Seamless tube – Donghao Metal Group

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Our improvement depends on the superior equipment, excellent talents and continuously strengthened technology forces for Tp304/304l Stainless Steel Semless Pipes , 347h Stainless Steel Tube , Straight Stainless Steel Pipe , Our company is working by the operation principle of "integrity-based, cooperation created, people oriented, win-win cooperation". We hope we can have a friendly relationship with businessman from all over the world.

2017 Good Quality Stainless Steel Welded Pipe - 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

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With reliable good quality system, great standing and perfect consumer support, the series of products and solutions produced by our organization are exported to quite a few countries and regions for 2017 Good Quality Stainless Steel Welded Pipe - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Belgium , Spain , Lyon , With a fully integrated operation system, our company has won a good fame for our high quality products, reasonable prices and good services. Meanwhile, we have established a strict quality management system conducted in material incoming, processing and delivery. Abiding by the principle of "Credit first and customer supremacy", we sincerely welcome clients from home and abroad to cooperate with us and advance together to create a brilliant future.

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