By Marie Hayes


Steel is among the most important implements in construction work. Most structures and equipment would not at all be viable without it. However, this material is also very much vulnerable to an insidious problem, corrosion. One particular type of it that is particularly dreaded is rust pitting.

Oxidation and its resultant corrosion is actuated between reactions of iron, oxygen, and moisture. Given the pervasiveness of these elements and substances, it is a little wonder how rusting is a common enough phenomenon. However, when left uncured, this will bode ill for the metalwork, culminating in the spread of rust, plus flaking, perforating, and finally, disintegrating.

That is obviously not the case, however. Aside from the physical blemish, it can also cause some drag in the equipments function and efficiency. Machinery and other automated technology may slow down or altogether go haywire because of it. That is not the only thing worthy of consideration, though. A moot point is the very critical issue, that of public safety. That is because pits are not just something that riddle and blemish the surface of metals. It is also something that bores deeply subsurface and cause the erosion and wearing out of critical weight and mass.

Even corrosion products, with its beneficent purposes, can be adverse to the whole thing. That is because it covers or obscures the pits. Therefore, these crevices can be really hard to spot, and may only be noticed after extreme, irreversible damages.

All implements, structures, and supporting frameworks have been carefully engineered prior to their installation. Therefore, the loss of mass and thickness can result to significant problems. The metal fatigue caused by the loss of beam mass and some such will go on to a gradual degeneration that may result to a catastrophic breakdown later.

The thing with pitting is that it is not merely the formation of coppery sheen. It also involves the loss of material. Since the metal is gone, its place is amenable to hiding moisture and small rust particles, that which holds continued detriment to the remaining integral structure. Consequently, you cannot just go on an paint anti oxidation coatings over it.

Bridges are also susceptible to this kind of gradual damage. This is also as dangerous, especially since the damage occurs under the surface and therefore is not altogether noticeable. One will perhaps only notice it after the disastrous breakdown or snapping of the said structure due to stress corrosion cracking. Really, though, the best course of action is to use quality metal and protective coating right off the bat. Also, it is nifty to examine perforations, no matter how little and negligible they may seem.

One should go through prohibitive ways and which through which pitting may be avoided. Durable and resistant materials should be used right from the very start. They must be chosen given strong considerations on the service conditions on the place of installation. Inhibitors and such must be properly and responsibly used. Likewise, the protective film and coating has to be carefully maintained and reapplied when necessary. Take not of the pitting factor before deciding on what rust treatment to use.

Pitting may be precluded with the choosing of the right material from the beginning. One must also think to use rust protection coatings and similar inhibitors. Also, aid the necessary chemical processes, like electrolyte stirring. See to the regulation of chloride ions and pH factors. All this will serve to help in preserving the integrity and function of your necessary metal implements and structures.




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