Austenitic
Duplex Steel
Nickel Alloy
Cobalt Alloy

Duplex steel tube

01. Process method: cold drawn/cold pilger.
02. Surface finish: annealed/ cold pilger,polish etc.
03. Size: (ansi/asme size as under, other standards of size is for ready choice):
      (a). O.D.: 3/8" to 10" ()
      (b). W.T.: 0.04" to 0.8"()
04. Length: Max. 24 meters.
05. Delivery conditions: annealed & pickled.
06. Applications: for fluid and gas transport; structure and machining.
07. Packing: plastic bag for each piece then packed in seaworthy wooden cases.

Usage:

Heat exchanger and tube on oil desalt device, catalyst tubebank of tubular reactor for methanol manufacturing, precondenser for VCM, convey pipe and header of land/ocean oil/gas industry; heat exchanger, water treatment and supply system, fire extinguishing system, spraying system and water stablizing system of onsea petrol platform; pressure vessel, chanels, tanks, and heat exchanger used in chemicals process and transportation in chemical industry.

General characteristic

 High intensity and tenacity, excellent mechnical performance.

Good resistance to corrosive pitting and crevice corrosion.

Good resistance to stress corrosion craking.

Good resistance to uniform corrosion.

The material has bigger heat conductiovity, and smaller linear exppansibility.

Good welding performance, small tendency of hot cracking.