China OEM Astm A312 Tp321 Seamless Pipe - Duplex Seamless tube – Donghao Metal Group

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We emphasize enhancement and introduce new solutions into the market just about every year for Heat Exchanger Tubes , A249 Stainless Steel Straight Tube , T9 Tube , The mission of our company is to provide the highest quality products with best price. We are looking forward to doing business with you!

China OEM Astm A312 Tp321 Seamless 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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We're going to commit ourselves to giving our esteemed customers along with the most enthusiastically considerate providers for China OEM Astm A312 Tp321 Seamless Pipe - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Thailand , azerbaijan , Israel , So far our merchandise have been exported to east Europe, the Middle East, Southeast, Africa and South America etc. We have now 13years experienced 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 provide our customers with high quality items and excellent service.

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The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.