These days, there have emerged numerous companies that has been offering top quality hot dip galvanizing services at affordable rates to its clients. One should not compromise on the quality aspect for price. But before trying to avail such services, it will be first necessary to have a clear understanding why galvanizing is considered to be important and required in the first place. Only then can the best services be availed that can prove to be useful and worth the investment made.
It is considered to be a process to apply protective zinc coating over metals like iron or steel for avoiding premature corrosion and rust. Galvanized steel’s proponents are known to us this method for repairing or to construct steel structures. For instance, they can benefit immensely from lower repair and maintenance costs associated with it due to its special properties.
Need for protection
Without provide adequate protection, it is quite natural for steel to rust quickly because of atmospheric conditions that it faces with time. Again, the degree of rust is likely to depend upon the environment in which the product is present. Rust is regarded to be iron oxide (which is typically red oxide). It is formed with the oxidation and reduction reaction of oxygen and iron, with the presence of air moisture or water.
Although there are present several protective methods to be followed like plastic coating or painting, these methods tend to have their own drawbacks. If damaged, the steel sections are likely to become rusty, thus causing the protective coating to fall away, thereby making such protection types to be unreliable and non-lasting (always require continued maintenance).
Why use hot dip galvanizing of earthing materials?
Hot dip galvanization according to the industry experts is considered to be a wonderful and time proven method to protect steel materials. All material surfaces with this type are dipped into and then coated with molten zinc completely.
Zinc is said to face slow corrosion, thus providing it with extended life as it safeguards the base metal. With zinc being alloyed to iron, there occurs cathodic protection. It does ensure that the smaller steel areas which are exposed due to damaged do not get compromised by rust. The small damaged areas unlike that of organic coatings do not require touch up. Cathodic protection is sure to last for a long time until there is present zinc layer.
Special care is to be taken if the project needs contact between brass or copper and any galvanized material. It is deemed so in humid or moist environment, since there occurs rapid corrosion of zinc. Water running from brass or copper surface may have sufficient dissolved copper within, thus causing corrosion quickly. In case, it applies to the specific situation, then it can be prevented by ensuring flow of water to copper or brass parts from galvanized materials.
Benefits of galvanizing of sub station structures
There are several benefits to be gained through galvanizing, some of which are given below:
- Low long term cost and less maintenance
- Lower cost when compared to stainless
- Longer life expectancy
- Coating performance and longevity reliable
- Protection offered to smaller steel areas exposed due to damage
- Outstanding resistance offered to mechanical damage
- Zero lost time with surface inspection, preparation and painting
- Other types of coating will not offer similar protection
Read more: Sub-Station Structures
Keeping the above benefits in mind, galvanizing is indeed worth the try and effort and a great investment.
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