| Steel is chemically an alloy of iron, carbon and | | | | steel for construction and automobile chassis. |
| other trace elements. Although carbon is the | | | | Both techniques of galvanizing steel (namely hot |
| preferred element for blending with steel; nickel | | | | dip and electrogalvanizing) have their unique |
| and tungsten are added to improve the quality of | | | | advantages and applications. Although |
| steel. Stainless steel and galvanized steel are the | | | | electrogalvanized steel is lighter and has a thinner |
| most common forms of steel available, and steel | | | | coat of zinc, it is not ideal for extreme weather |
| is graded into various categories depending on its | | | | conditions or conditions where water will be in |
| composition. Stainless steel and galvanised steel | | | | continuous contact with the steel. |
| are produced by entirely different chemical | | | | Electrogalvanized steel is used for making nails and |
| processes and stainless steel is perhaps the most | | | | smaller items that will not be exposed to extreme |
| widely used form of steel. Stainless steel is an | | | | weather conditions. Galvanized steel has such a |
| iron-carbon alloy with 10.5% chromium; on the | | | | robust coating of zinc that it is used for making |
| other hand, galvanised steel is basically steel | | | | ship parts that are in continuous contact with salt |
| coated with zinc to increase its durability. | | | | water and the quality of galvanized steel is tested |
| A popular method of producing galvanized steel is | | | | using a salt spray. |
| called hot dip galvanisation. Hot dip galvanization is | | | | Galvanised steel also has aesthetic value as hot |
| a process that involves passing steel through a | | | | dip galvanization of steel produces a characteristic |
| molten bath of zinc. The zinc goes through a | | | | crystallization effect known as 'spangle'. By |
| series of chemical reactions and chemically bonds | | | | adjusting the number of particles added and by |
| with the steel, forming a surface coating of zinc | | | | regulating the rate of cooling, spangled steel can |
| and steel. Contrary to popular belief, galvanized | | | | be produced with various effects. However, |
| steel can be used pretty much like regular steel | | | | galvanized steel with spangles is rarely used for |
| and popular applications of galvanized steel include | | | | purposes other than statues and modern art. |
| steel sheets, l-beams and automobile chassis. | | | | In a nutshell, both stainless steel and galvanized |
| Compared to ordinary steel, galvanized steel is | | | | steel have their unique properties and the choice |
| rust proof and is ideal for extreme weather | | | | of which steel to use is based on the area of |
| conditions. Galvanized steel is used for roofing and | | | | application. |
| walling, making heating and cooling ducts and metal | | | | CRS (Cold rolled steel) |
| pails. Individual items like steel girders or wrought | | | | Contrary to popular belief, cold rolled steel is not |
| iron gates can also be hot-dip galvanized by a | | | | an alloy of steel but is instead a finishing process. |
| process called batch galvanizing. Today, hot dip | | | | Cold rolled steel is popularly known as white steel |
| galvanization has been replaced by more energy | | | | and is a process that involves rolling steel through |
| efficient and convenient techniques like | | | | heavy rollers to produce steel that can be as thin |
| electrogalvanizing. | | | | as 0.0142 inches. Cold rolled steel sheets are used |
| Electrogalvanizing involves electroplating zinc on to | | | | for a variety of products and cold rolled steel |
| steel and results in a thinner layer and stronger | | | | sheets can be ordered based on their size, |
| bond. Galvanized steel is still produced using hot | | | | thickness and also the type of steel that has |
| dip galvanization but individual items like steel | | | | been used. In addition other factors like surface |
| girders are usually galvanized using | | | | finish (matt or embossed), steel chemistry and |
| electrogalvanizing. Although stainless steel is | | | | special finishes can also be specified when ordering |
| supposed to be rust proof, there are numerous | | | | cold rolled steel sheets. Cold rolled steel is available |
| chemical and environment factors that can cause | | | | in various grades and has numerous applications |
| corrosion and cracking of stainless steel. | | | | depending on its grade. |
| Galvanized steel is thus the preferred form of | | | | |