I finally stopped rushing the tempering process on my blades

I used to think tempering was just a quick touch with the torch after hardening, so I'd hurry through it to save time. But my knives kept ending up either too brittle or not holding an edge right, which was super frustrating. The real turning point was when a friend's order for a hunting knife came back with a crack after light use, and I felt awful about it. I ended up watching a few videos from experienced smiths who all said to use a controlled heat source and check the color change slowly. So I dug out an old toaster oven from my garage, set it up in the shop, and tried tempering at a steady 375 degrees for a full hour. The next blade came out way tougher and kept its sharpness without any issues, which totally sold me on the method. Now I never skip the slow temper, and my pieces have way fewer fails, which is a huge relief. Funny how a simple fix like that can make such a big difference, lmao.

3 comments

3 Comments

ramirez.vera7d ago

Honestly, all this talk about slow tempering seems like overkill sometimes. I've seen guys at the local forge do a quick torch temper on simple tools like chisels and they hold up just fine for years. If you know what you're doing with the heat, you can get a good temper without babysitting an oven for an hour. Sure, for fancy knives maybe take your time, but for everyday stuff, rushing it works (and saves a ton of time, which matters when you're making a living). Plus, not everyone has space for extra gear like a toaster oven in their shop.

maxl936d ago

Ever snap a chisel doing that, @ramirez.vera?

wendy327d ago

Yeah, the "quick torch temper" thing reminds me of my buddy who tried that on a set of chisels. He had one snap on a simple cut and nearly took a chunk out of his hand.