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Your typical off the shelf (eg: Stewmac, Allparts, et al) humbucker slugs -- what is the alloy? 1022?
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Most are 12L14. Some PAF replica slugs are 1215.Originally posted by Zhangliqun View Post -
pretty sure tha AllParts are 1018Comment
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Let's extend the question to the screws -- are those also generally 12L14?Comment
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Could one of you translate the numbers for us less-informed types?Comment
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Last two digits are carbon content as decimal of 1%. 1022 has .22%, .08 has only .08% carbon.
Presumably less carbon is closer to pure iron with slightly higher permeability or something...
That 12L14 steel alloy is a "free machining" alloy with lead (Pb) added to it.Comment
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The 1215 is a sulphorized steel that's also free machining.
Here's a great thread from Practical machinist re the various properties (of what might be pickup slugs) from their POV. How does 1215 compair to 12L14?Comment
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Originally posted by David King View Post
Both 12L14 and 1215 are free machining steels, designed mainly for good machinability, and not at all for magnetic properties. Yes, they can be used in magnetic circuits, but you should let your ears decide if they do what you want for the pickups. 1215 and 12L14 contain lots of manganese sulfide inclusions to improve machinability. In addition, 12L14 contains lead inclusions to improve machinability. Something else to consider for magnetic properties is whether the bars are cold drawn or hot rolled and if the steel has been annealed to remove the effects of cold work.Comment
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well, that's what they used to say they were on their site last time I bought them. of course, you could call Steve and ask him what they are.....Originally posted by Zhangliqun View Post
cheers,Comment
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