indirect extrusion

indirect extrusion

[‚in·də′rekt ik′strü·zhən]
(metallurgy)
An extrusion process in which the billet remains stationary while a hollow die stand forces the die back into the cylinder.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Wrought Mg alloy AZ31 (Mg + 3 wt%Al + 1 wt%Zn + 0.3 wt%Mn) was fabricated using indirect extrusion at 300[degrees]C with an extrusion rate (profile exit speed) of 5 m/min.
The investment is likely to be completed by April 2016 and include a new casthouse, a new indirect extrusion press line for production of hard alloy bars and profiles, a new drawing line, and a complete refurbishment of an existing extrusion line to meet increased demand for drawn bars.