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  1. #1
    Administrator Cebby's Avatar
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    Talk to me about "hardening" steel...

    I'm creating a part that would be beneficial if it were difficult to cut. What options are available for hardening steel. Is it helpful to start with a specific steel in the first place if planning to harden something?

    I know absolutely nothing on the subject, so talk to me like a child about it...
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  2. #2
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    Re: Talk to me about "hardening" steel...

    Has Cebby been a good little boy?? OH, you make Daddy so proud...


    OK YOU ASKED FOR US TO TALK TO YOU LIKE A CHILD...
    Jeff

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  3. #3
    Administrator Cebby's Avatar
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    Re: Talk to me about "hardening" steel...

    Quote Originally Posted by Driven2xs View Post
    Has Cebby been a good little boy?? OH, you make Daddy so proud...


    OK YOU ASKED FOR US TO TALK TO YOU LIKE A CHILD...
    First time I haven't been scolded today...
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  4. #4
    Contributing Member MXtras's Avatar
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    Re: Talk to me about "hardening" steel...

    Damn it, Cebby! Get your arse back in your room, and the next time I see you on the computer you won't want to sit down for at least week - got that?

    Good.
    If it wasn't for the last minute I wouldn't get anything done

  5. #5
    Contributing Member MXtras's Avatar
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    Re: Talk to me about "hardening" steel...

    On a serious note -

    This is not a simple subject to comment on. Hardening is easy to accomplish but not all steels respond to hardening in a favorable way, and each has it's own set of rules. Some will turn into a pretzel after treatment and some treatments will cause the material to physically grow.

    Basically, your average, everyday steel is a carbon steel - like 1018 or A-36. Neither of these will really harden all that well. A material like A2 is designed for hardening but can be extremely brittle and others - like 4140 and 8620 are suitable for a wide variety of conditions in their annealed state and can be hardened to create a very tough material. There are hosts of other materials which respond to heat treating - these are the most popular and a massive amount of info can be easily found about these.

    This is a huge subject and I am definately not an expert. Every situation is a little different and designing can be a very dynamic process. It depends on the shape and function as well as the expected results of the assembly. Assembly details sometimes constrain the design of the part as sharp corners and edges do not agree with many materials and procedures.

    Anytime I deal with a design which requires a hard or tough surface, I consult those in the know - the metallurgists and heat treaters. Perhaps we have one on this board?

    Scott
    If it wasn't for the last minute I wouldn't get anything done

  6. #6

    Re: Talk to me about "hardening" steel...

    A few more variables are needed to make a more hardened decisions.

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