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Combinations in knife steel
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  1. #1
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    Combinations in knife steel

    I was reading about the fine carbides in AEB-L razor steel.Listed C-carbon,Si-Silicon,Mn.-Manganese,Cr-Chromium,P-max,S-max.Can anyone tell me what P-max & S-max are?I see these listed in some other steels as well,don't know what it is.

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    Maximum allowable phosphorus and sulfur level.

    -AJ

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    They stand for elements. P is for phosphorous and S is for sulfur. I believe that because phosphorous and sulfur are contaminants the P-max and S-max are the maximum amount allowed in a batch of steel. It could be less but it can't be more than _x_ value.

    And AJ beat me to it.

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    You need to be careful reading "specs" on the internet.

    If you see ranges for each element, most likely that is a spec... if all the elements list a range but one or two list a single number, such as 0.015 for P, that single value is a maximum limit.

    If all the elements are listed with a single number that is not a specification. Those are nominal values for each element.

    -AJ

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    Quote Originally Posted by ajhuff View Post
    You need to be careful reading "specs" on the internet.

    If you see ranges for each element, most likely that is a spec... if all the elements list a range but one or two list a single number, such as 0.015 for P, that single value is a maximum limit.

    If all the elements are listed with a single number that is not a specification. Those are nominal values for each element.

    -AJ
    Thanks,I got a blade wt. this steel,thinned it,takes a sharp edge like carbon.It's edge holding is decent,was wondering what was in it.

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