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Old 02-14-2021, 08:27 PM
Grizz Grizz is offline
Join Date: Feb 2015
Location: Bottrel Alberta
Posts: 150

Aluminum is usually pretty easy to get to stretch or shrink, any time that I have shaped aluminum I annealed it first, and sometime had to re anneal due to work hardening, Blacking the surface with a straight Acetylene flame, then burning the carbon off with a gentle neutral flame is the old school standard, kind of hard on the protective coating.
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