Hand Tools

a minor disaster. sort of... *PIC*

David Weaver
pushed the limits going from parks to water to the freezer at a high rate (well, too fast into the water after the parks and then quick to the freezer), resulting in a crack from the keyhole into the blade about halfway into the cutting area. only the second crack I've ever had, but I didn't hear it.

A good lesson learned. Chasing hardness with the freezer is a risk in general, you'll get a crack every once in a while. Never a problem with chisels as they're without bevel when I heat treat them, so there's no really thin edge of failure point to start a crack.

Either the crack will propagate or it won't, it doesn't really matter given that it's about $10 worth of steel (actually, a $50 sheet is enough for 6 irons and 6 dump knives). No reason to go overboard with the glazing with an iron with a crack, though, so it's where it will stay now.

Performance results from the initial edge (same behavior - super crisp right off of the washita and just a strop with the corner of the buffing wheel, no "real unicorn") just as good as the last iron, though. I doubt the hardness of the two differs by a point.

The virtue of this stuff is simple -the 2 extra points or so of hardness that it attains at a given temper, so you can have it fully temper, and still have the ability to only take a small burr off of a washita and then one flip of the iron and the burr is gone, and the edge rivals something you'd get off of a finish stone or compound with a softer iron.

© 1998 - 2017 by Ellis Walentine. All rights reserved.
No parts of this web site may be reproduced in any form or by
any means without the written permission of the publisher.