How to cut stainless steel angle

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I have a length of stainless steel angle 50 x 50 x 3mm which I want to cut into 100mm lengths to make brackets. I have an Evolution Rage chop saw fitted with an Evolution 210mm saw blade specifically for cutting stainless steel. I have fixed the angle corner side up. However, after a lot of effort, the blade merely grooves the metal and simply will not cut through. I have followed Youtube clips which say to keep the piece cool with water which I am doing but all to no avail. Other Youtube clips show a blade going through almost like butter. Any idea what I might be doing wrong?
 
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Aluminum has an alloy (chromium and nickel) in it that makes it unique to cut, bend and weld, but very corrosion-resistant.

In any case, there are three (3) keys requirement for cutting stainless:
1) SLOW SPEED
2) LOTS of PRESSURE
3) A9 (or an aluminum cutting oil)

Your chop saw is likely WAY too fast.....if the stainless start heating red/purpose, you WILL NOT CUT IT. You must keep ALL HEAT away. It is counterproductive to try cutting when your producing excessive heat.

It's tricky!

Hope the best.
 
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Thank you very much AC Power that's helpful. I cant use aluminium as the brackets I am making are supporting the ends of roof trusses (albeit short span) off a vertical wall and I can't find any commercial brackets that would suit. The ends of the trusses come down at a steep angle 67deg.
Sadly I can't slow the saw down. So I think I will have to get the steel cut by a firm.
Thanks,
Paul
 
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I think that's a good choice to use a 3rd party company to do stainless cutting. Remember too there is galvanized (also know as zinc coated, or hot-dipped) steel. Galvanized flat bar can be bent to produce your own bracket at the specific size simply with a bench vise.
 

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