Quality Inspection for Third Party Inspection Certificates - Duplex Seamless tube – Donghao Metal Group

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We'll make every effort and hard work being outstanding and excellent, and speed up our techniques for standing during the rank of global top-grade and high-tech enterprises for Sus 304 Tp Stainless Steel Pipe , S32550 Tube , Seamless Sus304 316l Stainless Steel Pipe Coil , We are also the appointed OEM factory for several worlds' famous products brands. Welcome to contact us for further negotiation and cooperation.

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

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We have been convinced that with joint attempts, the business enterprise between us will bring us mutual benefits. We could guarantee you product or service good quality and aggressive value 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: Armenia , Mauritania , Azerbaijan , With the goal of "zero defect". To care for the environment, and social returns, care employee social responsibility as own duty. We welcome friends from all over the world to visit and guide us so that we can achieve the win-win goal together.

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The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!