Chinese wholesale 321 Stainless Steel Tubing - Copper Nickel Tubes – Donghao Metal Group Detail:
Good corrosion resistance, especially in sea water;
Suitable for high temperature service;
Applicable for condenser for ship, heat and water supply, chemical industry, desalinator etc.
DMG’s copper nickel tubes are of high and stable quality and have been tested and approved by domestic and foreign customers for over 10 years, we will keep supplying good copper nickel tubes to our customer
Application:
Air Coolers for Marine Diesel Engines (need C70600 tubes) Power Generation Engines (need C70600 tubes)
Gas Engines (need C70600 tubes)
Condensers for Industrial Steam Turbines (need both C70600 & C71500 tubes)
Industrial Heat Exchangers (need both C70600 & C71500 tubes)
Heat Exchangers for Seawater Desalting Plants (need both C70600 & C71500 tubes)
Delivery Condition: Annealed & Pickled, Annealed & Pickled + Polished, Bright Annealed
Material: C70600 (CuNi 90 /10), C71500 (CuNi 70 /30), C71640 (CuNiFe66 /30/2)
Standards:
ASTM/ASME B/SB165 Nickel-copper Alloy Seamless Tube and Pipe
Outside diameter range from 6 – 76.2mm
Wall thickness range from 0.5 – 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:




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Our corporation insists all along the quality policy of "product top quality is base of organization survival; purchaser pleasure will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff" plus the consistent purpose of "reputation very first, purchaser first" for Chinese wholesale 321 Stainless Steel Tubing - Copper Nickel Tubes – Donghao Metal Group, The product will supply to all over the world, such as: Tunisia , Belgium , Egypt , The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products and solutions have been exported to more than 15 countries in the world and have been widely used by customers.
This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.



