Cleaning the Blade after Heat Treatment?

[Walt-]

I sanded to 400 grit before heat treating based on the idea that I thought it would be easier to sand metal that was not hardened.

[WynnKnives]

I usually take mine to 320 before HT, I used to go higher, but I always had to drop back down below 320 anyways, so I didn't waste paper. Also when I hand sand I really like using tap magic(cutting oil) it really speads up the process and makes great lines.

[Walt-]

320 grit before HT, Cutting oil....... Got it.

Thank you

[Austin Cutlery]

Originally Posted by Doug Lester

Sand paper with oil is more polishing than grinding. I grid out to 600 grit with 3M micron belts and either go to a Scot-Brite belt for a satin finish or, if I'm going to etch, I start hand sanding with 600 grit emory paper and WD-40 and continue out to 1500 grit.

As far as getting the crud off I quench the blade in oil then let it cool at least until just slightly warm to allow conversion to martensite to complete and then scrub with a brass brush and detergent before sticking it in the oven. It helps not to bake the crud onto the blade.

Doug

you like wd-40 better than oil or water? why?

[claramax600]

Have you ever used detergent strips to clean your blade? My hubby uses it and after use it and clear with clothes its blade get much shine and clean, He got these strips from Tru Earth Coupons, if you wanna buy, you can check on there, hope it will work for you too.