Glutton for punishment

Ryan Minchew

Ryan Minchew

Joined
Sep 29, 2005
Messages
580
In my quest to harden w2 completely I took a better picture and I was hoping someone could tell me what it is. This piece was held at 1460 and quenched in parks and had hardness reading from 45-62. I then heated it to 1460 held it and quenched it in water and had an overall reading of 66 with one 60 spot. A 3rd time I tried at 1460 and quenched in parks and had a reading everywhere except the small circlish area that has white lines around it. I've removed .035" and the spots are there all the way through. This area is 67 . It's noticeable on the grinder and tester. It is way harder than the surrounding area. This is the second bar of w2 to replace the first I couldnt get to harden. I've had 2 other makers try and neither were able to get it to harden completely using parks 50. I dis have an analysis done on both bars and both had enough carbon to harden. But 3 of us can't get them to harden completely. I'm curious as to why there's a noticeable hard spot just right there?
 
This piece is the first time I've gotten such a big area of hardness with water/brine. The other pieces I've done still had very soft mixed in. And one I did with clay blew apart at the line where the clay stopped.
 
Sure, Bill, now you wanna tell us that the "O" in O1 stands for oil? Where do you get these crazy ideas?

Why don't you send a piece off to Peter's HT and see what they say? Tell them your issues and maybe they can shed some light on it.
 
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