Metal Forging

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What is metal forging?

Metal forging is a group of forming manufacturing process, in which a billet or a work piece is plastically deformed between two dies or tooling by applying compression force. Although forging can be performed in all temperature ranges such as hot, cold, warm and isothermal, most common type of forging is carried out with work piece above its re-crystallization temperature. Forging is one of most important metal forming process especially in the iron and steel manufacturing industry

Forging was first used about 7000 years ago to make jewellery, coins etc by hammering metal using stone tools. Modern forging still follows the same concept as the local blacksmith but high-powered hammers and mechanical presses have replaced the strong arm and the hammer, and tool steel dies have replaced the anvil.

Characteristics of Metal Forging

  • Forged parts have good strength and toughness, and used on critical parts because of its reliability for highly stressed and critical application
  • Forging usually produce little or no scrap hence comparatively cheaper for medium to large production batches
  • Forging process is quick and can generate the final part geometry in a very short time, usually in one or a few strokes of a hammer

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