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Subject: Re: mig brazing of copper Author: sridhar [ Next Thread | Previous Thread | Next Message | Previous Message ] Date Posted: 17:50:57 10/02/03 Thu In reply to: jim barnes 's message, "Re: TIG WELDING ALUMINIUM DC" on 11:07:38 10/01/03 Wed when we tried copper 6/8 mm thick plate welding, using Mig-Brazing we could not get any fusion and weld chips off immediately. This is inspite of 250/300 C pre-heat with oxy-fuel torch or other means.Used +ve polority and 200 A /24-26 V with 0.80 mm solid Bazing wire with 99.9 % Argon shielding. Please suggest remidies. [ Next Thread | Previous Thread | Next Message | Previous Message ]

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Subject Author Date Re: mig brazing of copper Tom Jones 20:24:40 04/19/04 Mon