The forge could be the heart in the blacksmith's shop. It can be inside the forge the blacksmith heats metal until it reaches a temperature and becomes malleable enough for him to use his other equipment to shape it.

The original blacksmith's forge changed and be more sophisticated with time, though the basics remain unchanged. The most frequent forge is the one fired by coal, charcoal or coke. The forge can be a specially designed fire place the place that the temperature could be controlled in order that the metal is heated towards the temperature the blacksmith wants, according to what he plans to do - shaping, annealing or drawing. The there main elements of the forge are:

· The hearth the place that the burning coke (and other fuel) is contained and over that this metal is positioned and heated.
· The Tuyere the pipe leading in to the hearth through which air has. The potency of the fireplace along with the heat it makes depends on the quantity of air being fed to it with the Tuyere tube.
· The bellows will be the mechanism in which air has from the Tuyere tube to the hearth. While earlier bellows were pumps operated by muscles power, modern forges have high power fans or bowers to make air in to the Tuyere



The blacksmith adjusts the amalgamation of air and fuel within the hearth the generate the exact temperature required to heat the metal. A normal blacksmith's forge have a flat bottomed hearth together with the Tuyere entering it from below. The core in the fire will be a mass of burning coke during the hearth. With this in mind burning coke would have been a wall of hot, however, not burning coal. This wall of coal serves two purposes. It provided insulation and has and focuses heat in the fire with a limited area, allowing the blacksmith to heat the metal within a precise manner. The hot coal also becomes transformed in coke which may then be utilized for fuel to the hearth.

The outer wall in the fire comprises of a layer of raw coal, which are often kept damp to be able to control the heat from the inner layer of hot coal so that is may slowly "cook" into coke.

The size of the fire as well as the heat it makes can be changed by either adding or removing fuel from this at the same time and adjusting mid-air flow. By changing the design in the outer layers of coal, the design from the fire can even be modified to fit the shape with the metal piece being heated.

Many modern blacksmiths use gas forges. They are fueled by either natural gas or propane. The gas is fed to the hearth, which can be lined by ceramic refractory materials, and mixed with air and ignited. The stress at which the gas has been fed in to the hearth may be adjusted to alter the temperature. While gas forges are easier to use and need less cleaning and maintenance, the disadvantage is that, unlike a coal fired forge, the form from the fire is bound and will not be changed to match the form and size of the metal being heated.

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