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Andrew Sarangan
 
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Default Cutting cast iron bath tub with circular saw


Is it possible to cut a cast iron bathtub with a circular saw? I bought the
metal cutting abrasive blades, but it is eating up the blade faster than
the bathtub. Ended up with a heap of black dust from the blade, but only a
small dent in the bath tub. The cut is getting red hot, and sparks are
flying. At this rate, it will take me days to get through. I am wondering
if there is an easier way. I can't use a sledge hammer as there isn't much
room for swing. Perhaps a different kind of blade? Any ideas are
appreciated. Thanks!



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zxcvbob
 
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Andrew Sarangan wrote:
Is it possible to cut a cast iron bathtub with a circular saw? I bought the
metal cutting abrasive blades, but it is eating up the blade faster than
the bathtub. Ended up with a heap of black dust from the blade, but only a
small dent in the bath tub. The cut is getting red hot, and sparks are
flying. At this rate, it will take me days to get through. I am wondering
if there is an easier way. I can't use a sledge hammer as there isn't much
room for swing. Perhaps a different kind of blade? Any ideas are
appreciated. Thanks!





If you can't use a sledgehammer, use a pneumatic hammer or an electric
jackhammer.

BTW, you would need a masonary blade rather than a metal-cutting blade
to get through the porcelain.

Bob
  #3   Report Post  
Punch
 
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"Andrew Sarangan" wrote in message
1...

Is it possible to cut a cast iron bathtub with a circular saw? I bought
the
metal cutting abrasive blades, but it is eating up the blade faster than
the bathtub. Ended up with a heap of black dust from the blade, but only a
small dent in the bath tub. The cut is getting red hot, and sparks are
flying. At this rate, it will take me days to get through. I am wondering
if there is an easier way. I can't use a sledge hammer as there isn't much
room for swing. Perhaps a different kind of blade? Any ideas are
appreciated. Thanks!




flip tub upside down, stand on it swing sledge!


  #4   Report Post  
Michael Baugh
 
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Default

Wrong tools.
Use a pick!!!
Sort of thing for miners breaking rock.

Someone at Home Depot told me how you just couldn't
break up one of those old tubs, I brought him a square
of it in my back pocket. Took less than an hour to have
that tub reduced to pieces that could fit into a bucket.

"Punch" wrote in message
...

"Andrew Sarangan" wrote in message
1...

Is it possible to cut a cast iron bathtub with a circular saw? I bought
the
metal cutting abrasive blades, but it is eating up the blade faster than
the bathtub. Ended up with a heap of black dust from the blade, but only

a
small dent in the bath tub. The cut is getting red hot, and sparks are
flying. At this rate, it will take me days to get through. I am

wondering
if there is an easier way. I can't use a sledge hammer as there isn't

much
room for swing. Perhaps a different kind of blade? Any ideas are
appreciated. Thanks!




flip tub upside down, stand on it swing sledge!




  #5   Report Post  
George
 
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Default


"Michael Baugh" wrote in message
...
Wrong tools.
Use a pick!!!
Sort of thing for miners breaking rock.

Someone at Home Depot told me how you just couldn't
break up one of those old tubs, I brought him a square
of it in my back pocket. Took less than an hour to have
that tub reduced to pieces that could fit into a bucket.

The kind of answer you might expect from one of their "experts".

I worked my way thru school working for a plumbing company. I never saw a
cast iron tub that wouldn't break up after a few good blows.




  #6   Report Post  
toller
 
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I have no advice, but I wish you well.
I helped carry a bath tube down a flight of stairs a couple years ago, and
that can't be right. Once we got it outside, we tried breaking it up with a
sledgehammer, but nothing happened.


  #7   Report Post  
dadiOH
 
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toller wrote:
I have no advice, but I wish you well.
I helped carry a bath tube down a flight of stairs a couple years
ago, and that can't be right. Once we got it outside, we tried
breaking it up with a sledgehammer, but nothing happened.


They *do* make steel tubs as well as cast iron

--
dadiOH
____________________________

dadiOH's dandies v3.06...
....a help file of info about MP3s, recording from
LP/cassette and tips & tricks on this and that.
Get it at http://mysite.verizon.net/xico


  #8   Report Post  
toller
 
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"dadiOH" wrote in message
...
toller wrote:
I have no advice, but I wish you well.
I helped carry a bath tube down a flight of stairs a couple years
ago, and that can't be right. Once we got it outside, we tried
breaking it up with a sledgehammer, but nothing happened.


They *do* make steel tubs as well as cast iron

Is steel as heavy as cast iron?


  #9   Report Post  
bill a
 
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steel tubs are generally much lighter than cast iron.
If you carried a cast iron one down some stairs, you would remember it.

bill


"toller" wrote in message
...

"dadiOH" wrote in message
...
toller wrote:
I have no advice, but I wish you well.
I helped carry a bath tube down a flight of stairs a couple years
ago, and that can't be right. Once we got it outside, we tried
breaking it up with a sledgehammer, but nothing happened.


They *do* make steel tubs as well as cast iron

Is steel as heavy as cast iron?


  #10   Report Post  
John Harlow
 
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Default

Andrew Sarangan wrote:
Is it possible to cut a cast iron bathtub with a circular saw? I


http://www.stretcher.com/stories/99/991129h.cfm




  #11   Report Post  
Drifter
 
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On 30 Jan 2005 13:41:17 -0600, Andrew Sarangan
wrote:


Is it possible to cut a cast iron bathtub with a circular saw? I bought the
metal cutting abrasive blades, but it is eating up the blade faster than
the bathtub. Ended up with a heap of black dust from the blade, but only a
small dent in the bath tub. The cut is getting red hot, and sparks are
flying. At this rate, it will take me days to get through. I am wondering
if there is an easier way. I can't use a sledge hammer as there isn't much
room for swing. Perhaps a different kind of blade? Any ideas are
appreciated. Thanks!


If you had some way to avoid burning down your house, a cutting torch
works well.

Also sharp items like a pick axe will punch through most times and
once the metal starts to fracture it will usually cause a chain
reaction so you can smash the rest up with a sledge hammer.

However, sometimes you get one of those extra tough old @#$@@'s and
nothing works.

Good luck.


Drifter
"I've been here, I've been there..."
  #12   Report Post  
ameijers
 
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"Drifter" wrote in message
...
On 30 Jan 2005 13:41:17 -0600, Andrew Sarangan
wrote:


(snip)

If you had some way to avoid burning down your house, a cutting torch
works well.

Also sharp items like a pick axe will punch through most times and
once the metal starts to fracture it will usually cause a chain
reaction so you can smash the rest up with a sledge hammer.

However, sometimes you get one of those extra tough old @#$@@'s and
nothing works.

Liquid nitrogen? Pour it full, throw a blanket over the top, and let it sit
a few minutes, then hit it with the BFH?

aem sends, tongue firmly in cheek....


  #13   Report Post  
DanG
 
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If the water closet is in your way, remove it. You will need the
space to maneuver any way, no matter what kind of tub it is. Put
an old blanket or heavy visqueen over the tub to catch shrapnel.
Swing a big hammer. If it dents like a car rather than
shattering, it is a steel tub.


(top posted for your convenience)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Keep the whole world singing . . . .
DanG (remove the sevens)




"Andrew Sarangan" wrote in message
1...

Is it possible to cut a cast iron bathtub with a circular saw? I
bought the
metal cutting abrasive blades, but it is eating up the blade
faster than
the bathtub. Ended up with a heap of black dust from the blade,
but only a
small dent in the bath tub. The cut is getting red hot, and
sparks are
flying. At this rate, it will take me days to get through. I am
wondering
if there is an easier way. I can't use a sledge hammer as there
isn't much
room for swing. Perhaps a different kind of blade? Any ideas are
appreciated. Thanks!





  #14   Report Post  
Harry K
 
Posts: n/a
Default


Andrew Sarangan wrote:
Is it possible to cut a cast iron bathtub with a circular saw? I

bought the
metal cutting abrasive blades, but it is eating up the blade faster

than
the bathtub. Ended up with a heap of black dust from the blade, but

only a
small dent in the bath tub. The cut is getting red hot, and sparks

are
flying. At this rate, it will take me days to get through. I am

wondering
if there is an easier way. I can't use a sledge hammer as there isn't

much
room for swing. Perhaps a different kind of blade? Any ideas are
appreciated. Thanks!


Must be one strange tub. There is plenty of room to swing a pick or
sledge inside the tub. It shouldn't take a round-house swing,
especially with a pick, to start it cracking. Cast iron is brittle and
once you start a crack it breaks up fast. You should drape it with a
blanket tho.

Harry K

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Fake name goes here
 
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I broke up a cast iron tub with a sledge before...20 minutes and it was
in little pieces. 1000% easier than I thought it would be.


  #16   Report Post  
Michael Baugh
 
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I've tried it with both a pick and a sledge.
Had to have more of a swing with a sledge,
so I switched over to a pick.

"Fake name goes here" wrote in message
...
I broke up a cast iron tub with a sledge before...20 minutes and it was
in little pieces. 1000% easier than I thought it would be.



  #17   Report Post  
Mark and Kim Smith
 
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Default

Andrew Sarangan wrote:

Is it possible to cut a cast iron bathtub with a circular saw? I bought the
metal cutting abrasive blades, but it is eating up the blade faster than
the bathtub. Ended up with a heap of black dust from the blade, but only a
small dent in the bath tub. The cut is getting red hot, and sparks are
flying. At this rate, it will take me days to get through. I am wondering
if there is an easier way. I can't use a sledge hammer as there isn't much
room for swing. Perhaps a different kind of blade? Any ideas are
appreciated. Thanks!





Have room to swing a single jack??
  #18   Report Post  
Harry K
 
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Default


Andrew Sarangan wrote:
Is it possible to cut a cast iron bathtub with a circular saw? I

bought the
metal cutting abrasive blades, but it is eating up the blade faster

than
the bathtub. Ended up with a heap of black dust from the blade, but

only a
small dent in the bath tub. The cut is getting red hot, and sparks

are
flying. At this rate, it will take me days to get through. I am

wondering
if there is an easier way. I can't use a sledge hammer as there isn't

much
room for swing. Perhaps a different kind of blade? Any ideas are
appreciated. Thanks!


I missed it too. WEAR SAFETY GLASSES no matter how you finally do it.
I am wearing an artificial lens now because I didn't while doing
nothing more than driving a nail (mis strike).

Harry K

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Andrew Sarangan
 
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hi guys

I bought a pick axe as suggested by some people here, covered the bathtub
with a tarp, and tried to break it. No joy. Every time I banged it, the
porcelain broke off, but there was no sign of damage to the metal
underneath. What am I doing wrong? Am I not hitting it hard enough?

  #20   Report Post  
Harry K
 
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Andrew Sarangan wrote:
hi guys

I bought a pick axe as suggested by some people here, covered the

bathtub
with a tarp, and tried to break it. No joy. Every time I banged it,

the
porcelain broke off, but there was no sign of damage to the metal
underneath. What am I doing wrong? Am I not hitting it hard enough?


Repeated blows to the same spot is the answer. I wouldn't think that
excessive power will accomplish much but gentle tapping won't either.

Harry K



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dadiOH
 
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Andrew Sarangan wrote:
hi guys

I bought a pick axe as suggested by some people here, covered the
bathtub with a tarp, and tried to break it. No joy. Every time I
banged it, the porcelain broke off, but there was no sign of damage
to the metal underneath. What am I doing wrong? Am I not hitting it
hard enough?


Did it dent at all? If so, the tub is steel, not cast iron. Cast iron
breaks, steel won't.

--
dadiOH
____________________________

dadiOH's dandies v3.06...
....a help file of info about MP3s, recording from
LP/cassette and tips & tricks on this and that.
Get it at http://mysite.verizon.net/xico


  #22   Report Post  
 
Posts: n/a
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dadiOH wrote:
Andrew Sarangan wrote:
hi guys

I bought a pick axe as suggested by some people here, covered the
bathtub with a tarp, and tried to break it. No joy. Every time I
banged it, the porcelain broke off, but there was no sign of damage
to the metal underneath. What am I doing wrong? Am I not hitting it
hard enough?


Did it dent at all? If so, the tub is steel, not cast iron. Cast

iron
breaks, steel won't.


It did not dent, but there were small chips were it was struck. I
didn't feel that those chips were large enough to cause a crack.

Can I tell from the color whether it is steel? It is a dull grey metal.


Also, I did manage to cut tub using a metal cutting circular saw. I did
not get very far, but it did no feel like steel to me.

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