Many members of knife-breaking clubs other than ABSCOW (gotta change that acronym) are fond of a tool steel designated D2. It's got a fair chunk of chromium in it, about 1.5% which is generally more than a high-carbon steel has of carbon but it's not enough for it to be called "stainless". The chromium helps a lot in its intended use however. It deepens the effect of the quench, adds abrasion resistance and some other goodies that escape my mind at the time. One of its claims to fame is that a piece of D2 with a thick cross-section will heat-treat with a minimum of distortion. Not an attribute knives require in general - but one that is very handy in a material intended for situations where thick pieces of steel, shaped into complex shapes, have to withstand intense heat and pressure repeatedly - like forging dies or injection-molding dies (that's what the "D" stands for). Is it a bad steel for knives? No, of course not. It's possibly harder to sharpen than a "real" blade steel like 1095 but it works. Only because - and here's where it gets heretical, folks - a piece of steel, as a knife blade, doesn't have to work very hard. A simple woodworking cabinet scraper, which has a nearly microscopic edge - it's just a burr or "wire-edge - will keep that tiny sliver of metal sharp while you bear down on it to take out the humps in whatever wood we're talking about. It will get so hot it's hard to hold on to but still cuts. That workout would have to equal - dressing out, I don't know how many, elk - to put a knife edge through a similar beating.
In closing, I recall an online ad from the Union Cutlery Co. AKA Kabar regarding their new and improved D2 version of the venerable M2 fighting/utility knife - forever hereafter known as a "Kabar" even though a half dozen firms other than them manufactured them. The copy read: "The military may have been happy with their blades of 1095, hardened to Rc 5? but the modern knife enthusiast demands better." What? All those jarheads down in the hell of the South Pacific didn't place demands on their blades to equal those of a "modern" user. I don't even want to talk about what's obscene about that statement.
Steel rusting is God's way of telling us to take care of our tools.
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7 comments:
the bottom picture on your page of the 3 knifes.i have the bottom knife can u tell me how much they would be worth?
If it's a genuine Hicks, many hundreds of dollars. That model is being made for the reenactor crowd so there's a lot of repros around.
http://www.legendaryarms.com/m1aghicknifc.html
Hello! Andrew G. Hicks was white according to the 1860 census.
Thanks for that, Bob.
I know that Roy Underhill ("The Woodwright's Shop"), at one time mentioned that there was a free, black planemaker working in the North during the period.
Must have been someone else.
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