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1- it causes dezinification when mixed with Yellow brass

2- Electrolytic action when mixed with non ferrous metals such as Brass . copper and Muntz metals

3- Cannot be used under ground with out proper covering

4- It can hide defects under the zinc coating

5- leaves rough spots inside the pipe that can cause piping failures and stoppages

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Keely Brakus

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Q: What are the disadvantages of galvanizing steel?
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Is hot dip galvanizing better than electro galvanizing?

It depends on what the metal is going to be used for. A hot dip galvanized steel generally has a thicker zinc layer than an electrogalvanized steel which improves its properties against corrosion. On the other side, the thicker layer might make it inferior in an application in which space is limited.


Why galvanizing is preferred over tinning?

One advantage is economic: Tin is more expensive than zinc. Another, probably more important one, is that zinc, unlike tin, is higher in the electromotive series than iron. Therefore, galvanized iron can continue to provide protection against rust, even when small holes develop in the zinc coating, because the zinc will be oxidized in preference to iron.


What happens to galvanized steel skids on toboggans?

A sled might have steel or galvanized steel runners, although I always thought of a toboggan as lying flat on the ground. Snow is abrasive, or mildly abrasive. Any galvanizing in contact with the ground would quickly wear off. Galvanizing on top of the runners would likely remain and afford some amount of protection to the bare steel on the bottom. However, if a smooth surface is desired, it may be beneficial to add a wax or grease onto the bottom surface when putting the sleds or toboggans into storage.


What is galvanizing process?

Galvanizing is a process of coating iron with zinc to protect against rusting. The process may be electrochemical, (the origin of the name) nowadays the term is most often appled to a hot dip porcess , simply dunking a clean iron/steel piece into molten zinc pulling it out and letting it cool.


What happens to zinc when it is not galvanized?

I don't think you've understood the process. Galvanizing is the name of the method by which you apply a surface layer of zinc on to steel or iron, to prevent it from rusting. Applying a surface layer of zinc onto zinc doesn't really change anything.

Related questions

Why galvanizing is done?

Galvanizing protects steel from oxidization (rusting).


What material used for galvanizing mild steel is?

Zinc


What protects metal from rusting?

Coatings Cathodic Protection If steel- galvanizing


How does is steel protected from rust?

By Galvanizing, Paint coating, Tin coating or Oiling


Galvanizing prevents steel from corroding by the application?

Galvanized means coated with zinc.


What does galvanise mean?

"Galvanized" is an adjective used to describe steel which has been coated with zinc metal. Galvanized steel is quite well protected from corrosion by the zinc coating which provides the steel with both physical and chemical protection. There are currently 3 processes which are used for galvanizing steel: (1) hot dip galvanizing, (2) electrogalvanizing, and (3) thermal diffusion galvanizing.


What is the standard thickness of a standard license plate?

.019 steel plus or minus .003 galvanizing


What is the melting point of galvanized steel?

Typically, galvanizing refers to hot-dip galvanizingwhich is process of submerging steel parts into molten zinc. Zinc will melt at 787.15 °F. In a galvanizing environment, most of the smoke is flux burn-off from the preparation process. Depending on the specific galvanizing company, zinc is generally maintained between 820 - 860 °F.Hot-dip Galvanizing Zinc Temperature Range820 - 860 °F (449 - 460 °C)Zinc Melting Point787.15 °F (419.53 °C)


What are the advantages and disadvantages in steel structures?

whatare advatages and disadvantages of steel


What is type of process is galvanizing?

Galvanizing is the process of dipping steel or iron into a bath of molten zinc. The zinc coating served as a corrosion prohibitor, and was applied to structural parts, sheeting, pipe, various containers, and hardware.


What is jigging in galvanizing?

jigging is the name of the process of hanging items on a wire prior to suspending into molten zinc to galvanize the steel


Can we replace the glass in our wood stove with galvanized steel?

The zinc coating which is using for galvanizing emits toxic gas when burned.