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Posted by JohnH on July 2, 2007, 10:37 pm
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I'm floundering in the middle of a do it yourself dissaster. I want to
remove some pipes imbedded in concrete digging them out would be a
missionand a hacksaw would be a little hugher than desireable. An angle
grinder would annoy the nieghbours (I want to use it as little as possible).
I inherited an oxy acetylene set. Is it over-kill to cut out a 50mm pipe
(about 5mm thick)?
Thanks John
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Posted by Ernie Leimkuhler on July 3, 2007, 1:06 am
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> I'm floundering in the middle of a do it yourself dissaster. I want to
> remove some pipes imbedded in concrete digging them out would be a
> missionand a hacksaw would be a little hugher than desireable. An angle
> grinder would annoy the nieghbours (I want to use it as little as possible).
> I inherited an oxy acetylene set. Is it over-kill to cut out a 50mm pipe
> (about 5mm thick)?
> Thanks John
Sounds like a good application.
Be careful about heating concrete directly.
The water in it can turn to steam and blow chunks of concrete at you.
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Posted by Gunner on July 3, 2007, 3:35 am
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>I'm floundering in the middle of a do it yourself dissaster. I want to
>remove some pipes imbedded in concrete digging them out would be a
>missionand a hacksaw would be a little hugher than desireable. An angle
>grinder would annoy the nieghbours (I want to use it as little as possible).
>I inherited an oxy acetylene set. Is it over-kill to cut out a 50mm pipe
>(about 5mm thick)?
>Thanks John
>
Cut it OUT or, cut it flush? Flush is a few moments work with your
torch. Cutting them out may require high explosives.
Gunner
A human being should be able to change a diaper, plan an invasion,
butcher a hog, conn a ship, design a building, write a sonnet,
balance accounts, build a wall, set a bone, comfort the dying,
take orders, give orders, cooperate, act alone, solve equations,
analyze a new problem, pitch manure, program a computer,
cook a tasty meal, fight efficiently, die gallantly.
Specialization is for insects. Lazarus Long
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Posted by on July 3, 2007, 5:10 pm
Please log in for more thread options > I'm floundering in the middle of a do it yourself dissaster. I want to
> remove some pipes imbedded in concrete digging them out would be a
> missionand a hacksaw would be a little hugher than desireable. An angle
> grinder would annoy the nieghbours (I want to use it as little as possible).
> I inherited an oxy acetylene set. Is it over-kill to cut out a 50mm pipe
> (about 5mm thick)?
> Thanks John
Uh, you have used the O/A set to weld or cut before, right? And the
set is in good condition? (I.e, the diaphragms work, no corrosion,
etc...)
If you answered "no" to either of these I'd just use the hacksaw.
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Posted by Too_Many_Tools on July 3, 2007, 10:02 pm
Please log in for more thread options > I'm floundering in the middle of a do it yourself dissaster. I want to
> remove some pipes imbedded in concrete digging them out would be a
> missionand a hacksaw would be a little hugher than desireable. An angle
> grinder would annoy the nieghbours (I want to use it as little as possible).
> I inherited an oxy acetylene set. Is it over-kill to cut out a 50mm pipe
> (about 5mm thick)?
> Thanks John
Are they gas pipes?
TMT
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> remove some pipes imbedded in concrete digging them out would be a
> missionand a hacksaw would be a little hugher than desireable. An angle
> grinder would annoy the nieghbours (I want to use it as little as possible).
> I inherited an oxy acetylene set. Is it over-kill to cut out a 50mm pipe
> (about 5mm thick)?
> Thanks John