Re: [CR]Prewar Metallurgy


Example: Books:Ron Kitching

Date: Thu, 01 Nov 2007 15:30:04 -0400
To: <classicrendezvous@bikelist.org>
From: John Betmanis <johnb@oxford.net>
Subject: Re: [CR]Prewar Metallurgy
In-Reply-To: <003e01c81cb6$3a5677b0$6401a8c0@H3OLaptop>


At 01:37 PM 01/11/2007 -0500, David Beck wrote:
>I just acquired a prewar Ambrosio aluminum stem. It has a crack that I will
>need to repair so I can use the stem. When welding, there are different
>rods for different types of aluminum alloys. Does anyone know what modern
>aluminum (1100, 3003, 6061, etc.) would be compatible with a prewar cast
>aluminum? Or are there any you can eliminate? My guess would be more of a
>3003 (general purpose) over a 6061 (high strength, stiff).

Are you thinking about a cosmetic repair, or structural? For the latter you most certainly would need to know the parent metal composition and have an expert do the job. For cosmetic puropses, there's probably something here that will work. http://www.muggyweld.com/index2.html

John Betmanis
Woodstock, Ontario
Canada