re: 12L14 steel, increasing strength through heat-treatment

[glulambeam]

What's the upper maximum that this steel can be heat-treated to? (e.g. becomes too brittle for practical use)?

Is there a materials guide somewhere that covers this information for a broad set of steel grades?

Please advise. Thanks!

 

12L14 is a leaded, resulphurized, rephosphorized free machining steel.
At 15 points carbon there is very limited scope for hardening by heat treatment.
google


"Everyone is entitled to their own opinions, but they are not entitled to their own facts."

 

[EdStainless]

It doesn't hardly respond to HT.
If you need more strength start with a different grade of steel.

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P.E. Metallurgy, Plymouth Tube