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Re: Welding old steel

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I suspect that he is referring to the use of "low hydrogen" electrodes.
These are not uncommon, but you have to have a welder who understands the
proper use & handling to realize the benefits.

Scott A. Dunham, PE
Dunham Engineering Services
Dothan, AL
334-678-6948

----- Original Message -----
From: "Jack Creviston" <jcreviston(--nospam--at)tlf-engineers.com>
To: <seaint(--nospam--at)seaint.org>
Sent: Monday, April 30, 2001 8:29 AM
Subject: Welding old steel


> I'm working on a project that was originally built in 1937 and may need to
> weld some reinforcement to some trusses.  I asked my grandfather (one of
> those crusty old engineers) about welding A36 steel to A7 and he said a
> special electrode was required was required to prevent the weld from being
> too brittle.  For some reason, he wasn't carrying any reference material
> around with him so he couldn't elaborate.  Can anyone point me in the
right
> direction?
>
> Thanks,
> Jack Creviston, EIT
>
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