Can PC Boolits be heat treated?

[bikerbeans]

I plan to PC 730g HB fullbore 12ga slugs. Once coated could these slugs be heat treated?

BB

[Grmps]

How hard do you want the slugs to be?
Try baking @ 400 for 20 min (I usually only do 10:30) then immediately quench in ice water an see if that doesn't give you the BHN you want. If not play with your alloy.

[Yodogsandman]

Heat boolits standing in oven as normal for heat treating , then remove tray and ESPC, return to oven to cure and then dump tray and all in cold water to quench.

[flyingmonkey35]

the pc coating adds a lot of bhn o its on. ice right after coating. dry, load and shoot.

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[Bzcraig]

Do a search for heat treating and you'll find your answer. Don't believe 20 mins will make any discernable difference. I would start by leaving them in the oven for an hour then water quenching and check BHN.

[Grmps]

If you heat treat then PC you'll lose what you gained by heat treating.

[flyingrhino]

What GRMPS said is my findings also. I water drop the cast and get a good gain in hardness. After PC'ing, most of that gain goes away.