In metallurgy, cold working refers to the processing of metal deformation at a temperature lower than the rec over y in stallization temperature, such as cold rolling, cold drawing, cold forging, stamping, cold extrusion, and the like. Powdered metallurgy is known for its precision and output quality -- it keeps tight tolerances and often requires no secondary fabrications. The essence of pressure casting is under the effect of high pressure, the liquid or semi-liquid metal filling die casting mold cavity with high speed, and forming and solidification under pressure and get the casting parts. Metal materials mainly have two processing methods: cold working and hot working. Assembling: A process done by welding, binding with adhesives, and bending in the form of a crimped seam Powder processing treats powdered metals with pressure (pressing, aka compacting) and heat (sintering) to form different shapes. Materials processing, the series of operations that transforms industrial materials from a raw-material state into finished parts or products. This short glossary details common sheet metal fabrication methods from start to finish. Cold working: 1. The calender is the most commonly used method for metal processing. Whether you've spent six decades in a sheet metal fabrication shop or you're learning the trade basics, Kaempf & Harris’ list of sheet metal techniques helps pros and beginners.. Metal processing methods explained below are: Casting, rolling, forging and extrusion. Materials processing by hand is as old as civilization; mechanization began with the Industrial Revolution of the 18th century, and in the early 19th century the basic machines for forming, shaping, and cutting were developed, principally in England. Pressure Casting.