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here's a better picture.

Here's what I show after my HT for a 5160 blade. Here are the details; 8 1/2" blade, 7/32 thickness. No Normalizing. Dipped in Turco. Place in 445 degree oven and brought to 1600 degrees within 20 minutes, then soaked for an additional 15 minutes. Quenched in Canola Oil at room temp...

I have been quenching 5160 in 120 degree Canola oil and achieving HRC of 56 after 1 hr temper at 400 degrees. Is this normal? Or should I expect more?

Thanks everyone for weighing in. I guess i need to snap a knife and look at the grain size. Not sure I really know what I'm looking at but I'll post a picture and maybe someone can comment. Standby...

I am making knives with 5160 and haven't been consistently successful at getting 60+ HRC after the quench. I have triple Normalized 1650,1550,1450 10 minutes each, then 1475 for 15 minutes and quench in 130 deg Canola oil. AVG HRC pre temper has been 58. Then I tried something different and I...