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Impact Extrusion

A reliable source for Impact Extrusion information and leading Impact Extrusion Companies & Manufacturers.

Common materials processed using impact extrusion include aluminum, brass, tin, steel, stainless steel and magnesium. The softer metals are most commonly used as there is great physical deformation which occurs in the process. Various industries such as automotive, electrical, pyrotechnics and packaging use the tubing produced by impact extrusion. Read More…

Impact Extrusion Impact extrusion is a cold forming process typically used to make collapsible tubes out of soft metals through a tool and die process. Unlike traditional metalworking processes, impact extrusion does not use heat to alter the shape of metal. Instead, it uses high pressure and force to change the shape of a metal material.
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Leading Manufacturers

Highland Park, IL  |  847-926-0722

G-Fast brings you precision components and fasteners that are designed for commercial and military applications. We specialize in precision machined components, special fasteners, cold-formed bolts, studs and shoulder screws, deep drawn parts, metal spinning, wire forming and a whole host of other services. We’ve been doing this since 1990 and would love to see you be our next customer!

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G-Fast Distribution, Inc. $$$

Seward, IL  |  800-624-5159

When it comes to cold forming, Seward Screw Products has the best service and capabilities available. ISO registered with 78,000 sq. feet, Seward specializes in screw machine parts and cold forming using the latest technology in equipment and the best cold headed parts. Experts are ready to take your special parts order.

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Seward Screw Products, Inc. $$$

Honolulu, HI  |  808-585-9755

At Byora USA, we provide cold headed parts such as cold headed fasteners and cold headed pins (aluminum, steel, copper, stainless steel), as well as parts for the automotive, electronics, communication, home and clothing industries. We are able to create cold forming parts from 10mm to over 100mm. we keep improving our technologies and challenging ourselves to keep up with the current century.

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Byora USA Corporation $$$

Hialeah, FL  |  800-544-6255

We are committed to customer satisfaction here at Universal Rivet Inc. We stock a wide variety of steel pins which results in fast turnaround on all orders but we also can customize any design to match your requests. Our economical solutions are durable and our seasoned teams are here to answer all of your questions. Contact us today if you would like to learn more about our company!

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Universal Rivet Inc. $$$
placeholder image G-Fast Distribution, Inc. Seward Screw Products, Inc. Byora USA Corporation Universal Rivet Inc.

During the process, a piece of metal, or a slug is placed into a die mold and forced by a punch and hydraulic press into the mold. It deforms under the pressure to fit the punch on one side, and the mold on the other. The force used must exceed the elastic limit of the material in order to mold it. Reverse, forward or combination impacting are the three common types of impact extrusion which are chosen depending on the intended use of the extruded part and its required characteristics. Products such as airbag canisters, ammunition casing, gas cartridges, filter housings, nozzles, toothpaste tubes and extruded bottles are all produced using the impact extrusion method.

Advantages to using impact extrusion include savings in terms of both time and money. The process is fast, especially when the tool and die machines are combined with automatic feeding equipment. Piece to piece consistency among extruded parts is high, thus eliminating much of the need for secondary machining processes or finishing.

The cold forming, or cold working, process is also a minimal waste process as the material is not cut away or melted away; rather it is all forced into the new shape minimizing lost material, and allowing for expensive metals to be used effectively without fear of wastage. The properties of the material worked on are altered under the great pressure of the process. The hardness and yield strength are increased greatly, making cold extruded parts such as cold headed fasteners able to be used for heavy duty and high pressure applications.

The resulting impacted part is dense and porous-free. The cross-sectional area of a piece is decreased however, and there may also be residual cracks in the surface due to the pressure it is placed under. The process can also be used to produce long extrusions for decorative and aesthetic purposes.

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