Help on 154 Heat Treat for Slipjoint spring

Robert Dark

Well-Known Member
I know I have seen it somewhere, but I can't seem to put my fingers on it.

Making a slip joint blade and back spring from 154CM.

At what temp should I draw the back spring? Seems like I read somewhere that around 1200 would be right.

That seems mighty high. Any suggestions appreciated.

Robert
 
1125 to 1150 is where I usually do mine, but I'm no expert. Do you have a RC tester? Seems like you're shooting for 47-49 RC if I remember right. Start at 1125 and walk it it.
 
Thanks Jason,

I guess it was higher than seems normal. I have access to a RC tester. I will start at 1125 and go from there.

Thanks again,

Robert
 
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