23 Facts About Wrought iron

Wrought iron is tough, malleable, ductile, corrosion resistant and easily forge welded, but is more difficult to weld electrically.

The demand for wrought iron reached its peak in the 1860s, being in high demand for ironclad warships and railway use.

Wrought iron is a general term for the commodity, but is used more specifically for finished iron goods, as manufactured by a blacksmith.

Bar Wrought iron is a generic term sometimes used to distinguish it from cast Wrought iron.

Wrought iron is a form of commercial iron containing less than 0.

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Wrought iron is redshort or hot short if it contains sulfur in excess quantity.

Cold short Wrought iron, known as coldshear, colshire, contains excessive phosphorus.

Wrought iron has been used for many centuries, and is the "iron" that is referred to throughout Western history.

The other form of Wrought iron, cast Wrought iron, was in use in China since ancient times but was not introduced into Western Europe until the 15th century; even then, due to its brittleness, it could be used for only a limited number of purposes.

The ancient Chinese created wrought iron by using the finery forge at least by the 2nd century BC, the earliest specimens of cast and pig iron fined into wrought iron and steel found at the early Han Dynasty site at Tieshengguo.

Wrought iron was originally produced by a variety of smelting processes, all described today as "bloomeries".

However, the design of a bloomery made it difficult to reach the melting point of Wrought iron and prevented the concentration of carbon monoxide from becoming high.

Osmond iron consisted of balls of wrought iron, produced by melting pig iron and catching the droplets on a staff, which was spun in front of a blast of air so as to expose as much of it as possible to the air and oxidise its carbon content.

Those remelted the pig Wrought iron and burnt out the carbon, producing a bloom, which was then forged into bar Wrought iron.

Only in the 1750s was coke pig Wrought iron used on any significant scale as the feedstock of finery forges.

The bars of wrought iron were of poor quality, called muck bars or puddle bars.

Wrought iron that has been rolled multiple times is called merchant bar or merchant iron.

Some wrought iron is still being produced for heritage restoration purposes, but only by recycling scrap.

Wrought iron lacks the carbon content necessary for hardening through heat treatment, but in areas where steel was uncommon or unknown, tools were sometimes cold-worked in order to harden them.

Amongst its other properties, wrought iron becomes soft at red heat, and can be easily forged and forge welded.

Wrought iron furniture has a long history, dating back to Roman times.

The greater corrosion resistance of wrought iron is due to the siliceous impurities, namely ferric silicate.

Wrought iron has been used for decades as a generic term across the gate and fencing industry, even though mild steel is used for manufacturing these "wrought iron" gates.