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  • #16
    I am kind of partial to 11L17 or 1117 steel. It seems to do a better job than 1214 types.

    If you want a challenge, use 41L40. Use with higher speeds than you might think, and higher feed rates. It cuts great with a min depth of cut of the insert nose rad +.001, and is pretty stable all said and done if you stress reliefe cut it first. I have had stress release problems in the past, but solved these by skin cutting the stock surfaces off, then working WITH the stress.

    1018 is good for many things, including high impact items as a base metal for other tooling steels - such as in hydraulic press work . Finish is somewhat suspect as it is very sensitive to speeds and feeds. I have turned it quite nicely though.
    CCBW, MAH

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    • #17
      Chris, SGW
      Yes, this is the low carbon (yellow stripe) as opposed to the Oil hardening (red stripe) or Air hardening (blue stipe). It can be case hardened easily.

      J&L Industrial has a good materials section you may want to check out. www.jlindustrial.com

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