Is the decarburization occurring during welding and forging or during heat treatment?

Yep, classic banding for something like 52100. It could be erased by a normalization treatment before the final hardening heat. It may be irritating...

[quote name='Ed Caffrey' date='26 September 2020 - 08:54 AM' timestamp='1601128442' post='27067'] .. I really hate YouTube.... while there are a sm...

When I was a younger man I used to worry about which way I marked them for all kinds of silly reasons, looking back on it. Today I have settled on mar...

Thank you so much for posting Cindy.

Always pull a full temper on the entire blade ASAP after hardening, any supplemental tempering can be done at any time after that.

I typically use between a 22 and 26 gage wire.

Previously, when I mentioned techniques that did not include clay, I was actually referring to fascinating methods of austenization, and nucleate boi...

The clay method is optimal if you are going for the Japanese style, and you are correct that it is no way exclusive to the Japanese, they are just mos...

[quote name='Kevin J Stinson' date='14 July 2020 - 11:26 AM' timestamp='1594743992' post='26837'] hmm well the blade is between 50-55 Rockwell which...

[quote name='Dan Hertzson' date='12 July 2020 - 09:18 PM' timestamp='1594606737' post='26828'] "medium speed oils which will fully harden a steel li...