304 Stainless Steel Cable Tray

Uncontrolled corrosion is a recurrent problem with all applications involving metals, it may lead to a reduction in the performance and lifetime of the installation. Cable trays are mainly exposed to atmospheric corrosion. The environment in which the cable trays are installed is therefore the...

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Uncontrolled corrosion is a recurrent problem with all applications involving metals, it may lead to a reduction in the performance and lifetime of the installation. Cable trays are mainly exposed to atmospheric corrosion. The environment in which the cable trays are installed is therefore the main criteria in the choice of surface treatment, or type of steel.

Atmospheric corrosion affecting metals involves a chemical reaction between the iron found in steel and dioxygen in air or water (condensed moisture, rain or spray).

The reaction produces the chemical compound Fe(OH)3, more commonly known as rust. 

In particularly harsh environments, selecting the right type of steel is more important than the coating. Changcheng uses two austenitic stainless steels, 304 and 316, for their high level of corrosion resistance.


Stainless steel 304:

Offers good corrosion resistance against soft water, normal environments and food products (except mustard and white wine).


Stainless steel 316:

Since it contains molybdenum, stainless steel 316 is able to resist intergranular corrosion. This makes it particularly suitable for the chemical and food industries, the nitrate explosives industry and environments containing halogen (fluorine and chlorine).

 

Decontamination of stainless steels:

There are two key stages for prolonging the service life of the product and, by implication, the installation:

• Pickling in acid after degreasing eliminates pollutants.

• Passivation artificially creates a film of chromium oxide on the surface of the steel.

Corrosion-resistance tests involving salt spray and S02 (sulphur dioxide) highlight the importance of these two processes. 

Corrosion is the result of an electrochemical phenomenon caused by a difference in potential between different metals, or between a metal and the impurities within it when they are connected electrically.

It is important to understand this phenomenon if you want to be sure of selecting the best supports, fixings and earthing terminals. 

If you are interested in any of our products,please contact us directly!


Factory information: 

Welcome to our factory !

Factory Name

Jiangsu Changcheng Cable Co.,Ltd

Location

Lingtang Town,Yangzhou,Jiangsu ,China

Establishes in

1990,more than 25 years’ experience in cable manufacturing

Export office location

Yunhe Building,Hanjiang Area,Yangzhou,China

Our main products

Control cable

Instrumentation cable

Power cable

Cable and electrical wires for installation

High temperature cable

Flame retardant and Fire-resistant cable

Special cable

Cable tray

Street lighting

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