WetShaving
This is a community of enthusiasts, hobbyists and artisans who enjoy a traditional wet shave: brush, soap, and safety or straight razor. We are a part of the WetShaving community found on Reddit, Discord, and IRC.
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I canβt tell much from the photo. What does it look like if you lay each side on a flat surface?
I will get to it after work. Thanks for looking at it!
Here we go:
Still difficult to see, but on the first, the toe clearly doesn't touch the stone. There is some space between the center and the store on the second.
π¬ π
It looks to me as if it is cupped. In the first picture, the heel and toe are off the table and in the second the center is off. I've received razors with a similar amount of warp. By rolling the razor on the stone, you can generally get to the edge everywhere. You have to be diligent about it, though. If you use your vice, apply pressure very slowly and let the deformation you apply to the razor set in the vice for a few minutes before you remove pressure. I doubt that it would hurt to heat the blade up a bit but this is @djundjila's domain more than mine.
As to heating up, what temps are we talking about as to not interfere with the tempering?
I honestly don't know if it will make a difference. I would take a butane lighter and slowly heat the entire blade to the point where touching the edge with fingers is uncomfortable. This should be way below the temperature it would take to alter the temper.
But then what would be the benefit?
Perhaps making the razor hot might allow it to be more easily straightened when the blade is put in a vise.
FWIW, I have tried this with knives that were dropped and bent. I've had zero luck. The amount of pressure to get the steel to retake its shape normally breaks the steel.
I doubt that it would do so in a meaningful way. If you google "yield strength vs temperature carbon steel" diagrams (or "reduction factor", or "tensile strength" they would be related) you'll see that regardless of steel type, not much changes between room temperature and, say, 300ΒΊC and that's getting close to tempering territory. It makes sense that softening the steel happens at temperatures at which we lose the harder forged steel microstructures (=losing the temper)
π¬ Yeah, that's the risk
I thought as much, but figured I'd ask. Thanks!
Tempering is usually done at around 500Β°C, so you'd definitely want to stay far away from those temps.
I have consumer-grade kitchen ustensils, and I doubt that even with fat, I will get much above 300 degrees (assuming I don't set fire)
A regular kitchen gas stove is about 2000°C, and a crème brûlée torch even more, so yes, avoiding fire might be a good idea :)
No gas here, only induction. But I didn't know that a small torch provides the power of the sun π₯