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Thread: Heat treating 12c27
24-05-08, 12:08 PM #1
Heat treating 12c27
I'm making a pair of kitchen knives in 12c27 sandvik steel as presents for the best man and vicar at my wedding cos they're both foodies.
Should have thought of this before I started but does anyone know how to heat treat it? Or preferably someone who can do it for me?
Thanks in advance.
P.s will post photos when they're sorted.www.forgedknives.co.uk
Woodhouse Joinery Ltd...and knives too!
24-05-08, 03:19 PM #2
26-05-08, 03:48 PM #3
Re: Heat treating 12c27
This steel is not that complex and if you have a heat treating furnace you should be able to easily do it in your shop.
Hardening temperature 1080°C (1975°F), holding time 5 minutes,
quenching in oil. The thinner the oil the better.
Tempering at about 150c or 300F should deliver almost 60RC. Any higher than that the RC drops like a rock.
I've used quite a bit of the Sandvik steel and find it very forgiving. It also seems to scale less (of course when using stainless foil) but I mean less than comparable SS like ATS34 or 154CM. Lastly, it tends to allow for a finer edge prior to HT and it polishs out much nicer than the others as well.
Hope this helps.
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