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.... and for the record, it was just Damascus barstock - our company name flagged it. They said the hold was for 72 hours, but it was resolved the next day. Lastly, I was very impressed to find a phone number. Years ago, I had a dispute and PayPal had not yet realized Mr Bell had invented...

Made a PayPal payment for some Chad Nichols Stainless Damascus yesterday. Paypal marked the payment pending because it "May not meet our acceptable use policy". I spoke to a rep on the phone (kudos PayPal.) She told me it was flagged because it contained the word "Knife" (our company name -...

As you might expect, a little slow in the supply business too. Thank goodness. Year end books - inventory. Business might be slow, but it sure isn't in idle. :-)

AEB-L is a razor blade steel. It is specialized for slicing with a scary sharp edge. If your field dressing includes splitting pelvis and prying joints apart, you should probably choose a different steel. If you do mostly gutting, skinning caping and meat prep, you'll be bragging when others...

Darrin is spot on about the AEB-L / 13C26. Fine steel and darn near free. If you do go with the 154 series, don't discount the advantages of the CPM 154. It has about twice the toughness for the same hardness and it takes a really nice mirror polish if that's what you want. It's maybe only...

I use ramp when tempering blades that are straight out of cryo -just a few minutes to warm them gently. Probably not necessary, but I do. I also use it for annealing. (slow cool). Pretty much everything else is ramp full speed.

Similar to Cal's comment, but for a different reason - consider carefully before changing manufacturer's specs. It will invalidate your UL listing and if - God forbid - your place ever burns down, it would present insurance and liability problems. I know - people build ovens from scratch too...

Have to admit it bugs me more than a bit, when companies offer superior blades, but don't offer anything finer that 6 TPI or less than 1" blade depth. Grrrrrr.... :49:

Just to offer a dissenting view, we get sent fillet knives between 1/16 to 1/8+. We sure don't do any 90 degree bend tests, but they seem to flex OK. Really long, very thin blades tend to warp in HT and when flexed, they return to perfect warp. ;) Takes some doin' to straighten them out. Rob!

Cool find. Keep us posted with your results.

I have struggled with hardness files. I was hoping for something to give me a rough indication of edge hardness on things like a thick chopper where spine or handle hardness might not be a good indicator. I have been very disappointed in my ability to get good results out of them. I have also...

Kevin, (or anyone) any comments or input about the ultrasonic ones?

I have no experience with the type of unit your are looking at, but I'm led to believe that rebound type testers are poorly suited to thin parts (such as a knife blade). I don't think BOSS sells hardness testers, so hopefully it's OK to post a link to something in the same price range. (Much...

Possible tip. Annealed steel - especially on long thin knives - bends easily and yes, it's difficult to straighten. If you were to just profile and drill the blanks - maybe take just a bit off the edge to save belt shear - and then heat treat them and grind hard, the hard steel, when flexed...

All measurement.... Send me two cubits of that same steel I got last time - hardening temperature in "non-magnetic" right - quenched in 5 imperial gallons of saparilla. Any batch of blades over 2 stones gets an extra soak of 3.06 x 10^-26 of a coon's age. None of this is really a problem...

Where is that like button we've been asking for Tracy? :biggrin:

1084. Not 1095. Both make a great knife. 1084 is VERY forgiving. 1095 contains gremlins. (IMHO) Rob!

Just to add in another opinion, isn't the ideal of san mai supposed to be a tough cladding over a hard, wear resistant core. A2 is primarily respected for it's toughness IIRC. Secondly, when you HT something mixed, you generally HT to the performance alloy - in this case, the A2, but the...

Consider 80CRV2 from Aldo. Similar toughness to 5160 and more consistent HT than 5160. By the way, he wants toughness, edge retention and easy sharpening. Ideally, that's three knives. Some compromise will be required.

This is an awesome post. Liability insurance also covers the customer who comes to your house or shop to discuss design and buddy who comes over for a few lessons. Typically, your homeowners insurance would not cover commercial activity unless specifically declared. You are also so right...