Aluminum

Aluminum

Industry: Metals

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Aluminum

Sealing pressure

Metals; Aluminum

The pressure which locks the container and die face during the extrusion cycle.

The junction line of metal that has passed through a hollow die, separated and rejoined at the exit point. Seams are present in all extruded hollows produced from the extrusion process and in many ...

Sandwiching

Metals; Aluminum

The simultaneous extrusion of two layers of metal failing to weld because of film impurities between them.

Heat treat lot

Metals; Aluminum

Material usually of the same mill form, alloy, temper, section and size traceable to one heat-treat furnace load (or extrusion charge or billet in the case of press heat-treated extrusions) or, if ...

Long transverse direction

Metals; Aluminum

For plate, sheet and forgings, the direction perpendicular to the longitudinal direction which is also at right angles to the thickness of the product. See also Longitudinal Direction.

Salt spray

Metals; Aluminum

Corrosion test using salt sprayed as a mist in a heated humidity chamber to simulate seashore conditions, or to accelerate corrosion at a controlled rate.

Statistics run

Metals; Aluminum

A consecutive number of points consistently increasing or decreasing, or above or below the central line. Can be evidence of the existence of special causes of variation.