19 Terms
Contributors in Aluminum
Aluminum
stretcher flattening
Metals; Aluminum
A process of removing bow and warpage where an extrusion is gripped between jaws and subjected to a stress higher than its yield strength and is elongated a definite amount to establish a permanent ...
stretching
Metals; Aluminum
In extrusion: straightening an aluminum member by pulling. An average stretch increases the length by about one-half of one percent, and produces correspondingly a slight decrease in the ...
hollow billet
Metals; Aluminum
A billet prepared for extruding seamless tube or pipe. The outside diameter may be scalped and the inside diameter may be bored or cast hollow to assure sound metal.
hollow dies
Metals; Aluminum
Extrusion tools capable of forming profiles with voids where such dies are typically classified as either bridge, porthole or spider types. Extruded sections produced on these dies have one or more ...
hinge joint
Metals; Aluminum
A joint which, when assembled, allows its parts to rotate relative to each other without separating. Hinge joints are extruded as relatively loose slip-fit joints with an open-sided ball-in-socket ...
high-solids coating
Metals; Aluminum
Coatings greater than 40% solids by volume, thereby reducing solvent emissions during the application.
heat treating
Metals; Aluminum
Heating and cooling a solid metal or alloy in such a way as to obtain desired conditions or properties. Commonly used as a shop term to denote a thermal treatment to increase strength. Heating for ...
