Cutting angle iron?

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Old 09-01-03, 06:22 AM
TGWEM
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Cutting angle iron?

I had this great idea to build shelving in my garage using angle iron that I picked-up from a building supply warehouse. The iron is very sturdy with a thickness of one-eighth (1/8th) of an inch with the corner angle a thickness of three-sixteenths (3/16th) of an inch.

The trouble I am having is cutting the angle iron to the appropriate lengths I need. I tried my reciprocating saw with a couple of different blades (14 tpi, 18 tpi) and they struggle to make the cut. A hack saw will take to long to make the number of cut I want. I anticipate making at least 20 cuts. I was hoping to get an idea of what versatile tool I can use to cut the metal, hopefully without making a huge investment in an expensive new tool.

I was looking for a carbide circular saw blade with at least 40 teeth to try on my saw but no one makes a blade like this for a 7-1/4 inch saw. (Dewalt has a blade but it only goes on their 6-3/4 inch cordless saw. I did not want to buy a new expensive tool for this project.)

Would an angle grinder work for my project and if so what type of blade do you use? Is there a carbide blade for angle grinders that will cut metal? Should I try an abrasive blade on a circular saw to cut the angle iron?
 
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Old 09-01-03, 06:43 AM
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TGWEM:

A reciprocating saw is the tool to use.
A 14 tooth METAL CUTTING BLADE should work fine.
Have the metal piece firmly gripped in a vice and make sure the foot of the saw is placed firmly against the metal to prevent the saw from bouncing around.
Make sure you cut from the top as the piece that falls away will pinch the blade if you cut from the bottom. Place a support just under the falling piece.

Don't go near steel with a carbide blade or you will have teeth flying all over the place.

An abrasive blade for metal in your circular saw would work but the recip is better.

<img src="http://www.diynet.com/DIY/mmo/ADI-705/adi705_1fc.jpg">
 
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