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grade of Aluminium

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Alan Gordon 430/09/2018 09:51:16
129 forum posts
13 photos

Hi, I am turning down a piece of aluminium round stock, the chips that are coming of are like grains of sand ? i have tried different speeds and inserts but the chips remain the same. I notice on the end it is coded red so my question is this can anyone suggest what grade of aluminium this might be ?

Emgee30/09/2018 11:14:38
2610 forum posts
312 photos

Most likely Free Cutting grade but could also be high silicon (15+) content, if using HSS tooling the latter will soon dull the cutting edge.

Emgee

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