Do TMT bars really prevent corrosion

TMT reinforcement steel bars resistant to corrosion fe415 rightsteel

Constructing buildings is not an easy task, It requires a lot of resources, technical skills, dedication and commitment. When we talk about the resources, the most vital components for constructing buildings are reinforced steel and concrete. Reinforced steel is primarily known for its excellent strength and ductility which provides the necessary strength to withstand the load of the structure. However, there are several factors that can affect the strength of the steel in such a way that it becomes extremely dangerous to the whole structure, and one such factor is rusting.

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Corrosion Prevention on Reinforcement Bars Part – I

Corrosion Prevention on Reinforcement Bars fe415 rightsteel

Corrosion is not something to be taken lightly. It poses a dangerous threat to the overall strength of the building structure. Corrosion starts out pretty much simple and advances through several stages that result in the eventual collapsing of the structure. Even though corrosion is threatening for RCC, there are preventive measures that can be taken to considerably delay the corrosion effects.

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Corrosion in RCC Part – 2

Corrosion of rebars in RCC rightsteel fe415

The last blog described the universal problem affecting the RCC which is corrosion / rusting and what are the causes of corrosion. In order for a Reinforced structure to have corrosion, the presence of these two components is needed which is moisture and air. Usually, corrosion starts out slowly and results in severe damages which in turn affects the structural integrity of the building.

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Corrosion in RCC Part – I

Corrosion in RCC rightsteel fe415

Thermo Mechanically treated steel bars created the current standard of reinforcement. Their excellent tensile strength and ductility make them ideal and preferred for construction of building structures. Building structures are always susceptible to environmental changes. No building will ever be the same once the environmental changes kick in. Out of all the changes, the most serious and devastating is corrosion.

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TMT Bars and Galvanic Corrosion


The Problem

When the word corrosion pops up, we think of corrosion of metals due is to constant interaction with air (much more specifically oxygen), corrosion is the process of the metal actually becoming stable than its refined state. The corrosion we are discussing here is entirely different, galvanic corrosion occurs when 2 metal is in contact for a long duration of time. This happens due to the fact that different metals have different electrochemical properties. The metals act as anode and cathode and the process of stabilizing the metals start, meaning by which is corrosion.

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Corrosion is More Expensive than Education


An average homeowner or even more accurately an average person will be shocked to learn that India spends more money on fighting rust than on education. According to Sunil Duggal of Hindustan Zinc Ltd (HZL), “India loses around 4-5 percent of GDP annually on account of corrosion losses.” India currently spends around 3.8% of its GDP on education. Even if a nation can live this situation, an average homeowner doesn’t need to live like this.

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