China Manufacturer for Tp304/316l/321 Stainless Steel - Duplex Seamless tube – Donghao Metal Group

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We are proud of the high customer satisfaction and wide acceptance due to our persistent pursuit of high quality both on product and service for Stainless Steel Welded Pipe , Sus 304 Tp Stainless Steel Pipe , Dished Head , Our Company Core Principle: The prestige first ;The quality guarantee ;The customer are supreme.

China Manufacturer for Tp304/316l/321 Stainless Steel - 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 are able to provide good quality items, aggressive rate and best shopper assistance. Our destination is "You come here with difficulty and we provide you with a smile to take away" for China Manufacturer for Tp304/316l/321 Stainless Steel - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Johannesburg , moldova , Victoria , So far our products have been exported to east Europe, the Middle East, Southeast, Africa and South America etc. We have 13years professional sales and purchase in Isuzu parts at home and abroad and the ownership of the modernized electronic Isuzu parts checking systems. We honor our core principal of Honesty in business, priority in service and will do our best to offer our customers with high quality products and excellent service.

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Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.