Office: +86-572-6290277
Mobile: +86-13636347455
Huicheling Industrial Zone,
Heping, Changxing,
Huzhou, Zhejiang
HUZHOU ZHONGRUI PRECISION TECHNOLOGY CO.,LTD.

Heat exchanger tube

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Heat exchanger tubes
Zhongrui manufactures and supplies heat exchanger tubes in an extensive range of austenitic stainless steels, duplex stainless steels, suitable for all types of heat exchangers, such as seawater coolers, condensers, evaporators, heaters and re-heaters. Special size requirements can be considered for production. Tubes are manufactured as per all major International standards such as ASTM/ASME/EN.

Zhongrui supplies heat exchangers tubes for several critical applications which require high corrosion resistance materials and highest quality standards to be maintained. Some of these applications include condensers, coolers, evaporators, heaters in Refinery, Petrochemical , Chemical , Oil/Gas , Organic and Inorganic acids, Hydro metallurgy, Power generation and Desalination.

The heat exchanger tubes are manufactured by Piercing process followed by pilgering/drawing. Our facilities are equipped with all the machines required to cover the process with a high quality results (Piercing, pilger machines, draw benches, straightening machine, degreasing facility and solution annealing furnace).

This process is completed with our in house quality testing of chemical composition and mechanical properties (Tensile, Impact, Hardness ). Non-destructive testing includes Hydro test, Eddy current test and Ultrasonic test . Quality department is also equipped to carry out in house corrosion tests such as inter Granular corrosion test besides Micro structure analysis. Any special testing requirements can be carried out at Third party Labs.

Zhongrui has approvals from several national and international clients . References includes supplies made to customers / end customers in Middle east , Europe and North America.
 

Heat exchanger tubes

 

Zhongrui manufactures and supplies heat exchanger tubes in an extensive range of austenitic stainless steels, duplex stainless steels, suitable for all types of heat exchangers, such as seawater coolers, condensers, evaporators, heaters and re-heaters.

 

1)Specificatio

ASTM A213 /ASTM A269/ASTM A789/EN10216-5 TC1 or as per requirements

 

2)Size

Imperial up to 2” in outside diameter

Metric up to 50mm in outside diameter

 

3)Finish

Cold rolling and cold drawing

 

4)Delivery condition

Bright annealed(BA)

Annealed and pickled (AP)

 

5)Material grade

Austenitic Stainless Steel    
UNS ASTM EN no.
S30400/S30403 304/304L 1.4301/1.4307
S31603 316L 1.4404
S31635 316Ti 1.4571
S32100 321 1.4541
S34700 347 1.4550
S31008 310S 1.4845
N08904 904L 1.4539
     
Duplex& Super Duplex    
UNS ASTM EN no.
S32750  --- 1.4410
S31803  --- 1.4462
S32205  --- 1.4462