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Treatments for Forged Parts

Forging Surface Finishes

Forging, like the Pressure Die Casting process, is extremely repeatable. Heated softened Alloy stock is presented into a tool steel split tool and tremendous pressure is exerted that forced the alloy to take the shape of the two halves of the tooling. The resultant surface finish of the parts takes the form and surface finish of the tool cavity.

Tooling parting line flash is removed by a series of cropping and linishing/ polishing operations, these parting line area surface finishes are dependent on the controls of these processes.Typically surface finishes achieved are 1,6 Microns or better for Aluminium Alloy parts.

For Brass alloys slightly less than 1.6 Microns.

Typical Surface Treatments for Forged Parts

Certain Aluminium Grades can be clear anodised; generally the 6 series of alloys can all be anodised successfully. The 7 series grades are more difficult to clear anodise due to the chemical compositions.

Typically, product is supplied with a glass bead finish in preparation for powder coating, or glass bead finish and chemically treated for corrosion protection.