A Deep Analysis Of Wrought Iron

By Adrianna Notton

When a mixture of two or more metallic substances of different elements is created, the resulting product is called an alloy. It exhibits different chemical properties when compared to the original inputs used in the mixture. A deeper analysis of wrought iron brings to the fore very interesting facts. One of them is that it is one of the alloys that have been used by ancient men to make very many products, the most common of them being swords. The other example of an alloy is steel.

As an alloy it is very strong and able to resist extreme pressure. The blacksmiths who continually used it enjoyed the fact that they could make any desired shapes and maintain the initial strength. This property was highly advantageous as several designs like axes; cutlery, swords and chisels were continually produced. It was later involved in the production of steel.

The early days production was achieved by a mechanism called bloomer. The layouts were not similar as people would come with different kilns. What remained constant though was the principle behind it as charcoal was used for the emission of carbon monoxide during combustion. It was mixed with the iron ore. High temperatures were reached that surpassed the melting point of the substances. At this point a reaction took place involving the molten input and the gas that was carbon monoxide.

The Osmond procedure is also another method of production applied in generating the alloy. The final products were in the shape of balls. It starts with the heating at very high temperatures of pig iron. When it reaches the melting point, the molten substances are dropped into a vessel for the exposure to air. At this time the carbon present reacts with oxygen to generate the wanted product. Since the bar shape is universally recognized it is then forged accordingly.

The finery process was almost similar to the bloomer as the resulting by product in both cases was the bloom. Charcoal was also thought as the best alternative here as it was cheap and produced carbon monoxide during incomplete combustion. The temperatures reached by the furnace were high enough to melt the input. Later it would be forged into the required shapes and sold.

The reverberator process eliminated the use of charcoal. It was found to be a very efficient method as the products were always pure. This was made possible by the introduction of a process called refinery. The impurities were separated from the required products very easily as they consolidated. The other advantage was that the metal input was not put into contact with the fuel. This had great results as contaminants were completely removed.

The spongy balls obtained in the reverberator process are shingled. This process makes them compact and removes the impurities that might still be lingering around. The balls are forged into blooms and later reshaped.

The processes involved in making wrought iron are ancient. This is because it was used so much by the early civilizations. It has a longer life span as it is more resistant to corrosion when compared to the other alloys.

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