Re: [MV] Welding References Sought (long post)

From: Bjorn Brandstedt (
Date: Thu Feb 06 2003 - 10:47:40 PST

Good post, Fred. Good info, thanks./Bjorn

>From: Fred Martin <>
>To: <> (Military Vehicles Mailing List)
>Subject: Re: [MV] Welding References Sought (long post)
>Date: Thu, 06 Feb 2003 11:44:19 +0000
>The use of coathangers for torch welding died a long time ago....the danged
>things would just burn up when the flame hit them....unless you found some
>ancient ones. (better metal content) I use a 1/16" copper coated steel rod
>that the welding supply houses recommend for thin sheet metal and a small
>tip. The copper coating helps control the rust on them so you get a good
>clean weld....and puddle it in. It takes some practice to be able to melt
>the parent metal and the rod at the same time and that'ol China syndrome
>will jump out at you. (burn through) Probably be best to recommend to use a
>backup strip (usually 1/4" copper) to keep it from happening. And don't
>forget....the fumes from any weld process are hazardous to your health. Do
>it outside or use a small fan to blow them away. That'll get you
>started....follow the rest of the safety precautions for your equipment and
>you're good to go. NEVER EVER get close to the 15# regulator pressure on
>accetylene, it can come out as a liquid,very dangerous and explosive....5#
>is generally enough. Another modern day requirement for the accetylene
>torch is flash arrestors....they are attached to the back of the torch
>where the hoses connect and the hoses are connected to them. They keep the
>backfires from going up the hoses. (check valves) Accetylene bottles are
>not a bomb....if used properly....they will not explode as they have lead
>plugs in them that melt and vent the accetylene to the atmosphere along
>with a small fire if it is present. Some of this content is basic (and
>boring) to those who use this equipment regularly....but it should be
>posted for the ones that it is new to or who did it 20 years ago and need a
>refresher. Before lighting the torch....always look around for aerosol
>bombs and gas cans and leaks....don't weld around them! Sniff for leaks
>when you put on a new bottle or use soapy water and a paint brush and look
>for bubbles. Also NEVER use oil or grease on any fittings....leave them
>dry. NEVER cut or weld on a vessel of unknown content (barrels or fuel
>tanks and such)....they can kill you! My appologies for the long
>amount of appologies can bring back a life. As usual....disclaimer....your
>on your own (and maybe a little safer.)
>Fred Martin
>Don't worry bout the mule goin blind....just load the wagon!
> wrote:
>>just about any high school reference book will have what you need.also
>>the idiots guide may have a welding book.i have only a oxy acetalyne rig
>>for my body work.i use a size " 0 " tip and real low carbon welding
>> is much better metal than coathangers,that some people use.mike
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