Hot Metal Forging Using Coke to Achieve High Temperatures - Video

This video captures an industrial hot metal forging process in which coke is used as the primary fuel. Metal rods are heated in a simple, improvised coke-fired furnace, often referred to as a “barrel furnace,” without forced air supply—the combustion is sustained by natural draft created by rising hot air. Due to coke’s high combustion temperature, clean burning, and stable ember bed, the metal reaches the required forging temperature, making the workpieces plastic and easy to shape: they are bent, pressed into forms, and forged in dies. Using this method, loops, rings, chain components, fastening elements, and other metal blanks are produced for further processing or direct use, while the process itself remains reliable, simple, and widely used in industrial workshops.
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