this post was submitted on 19 Jan 2025
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WetShaving

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[–] PorkButtsNTaters666 5 points 1 week ago (1 children)

I suckin taking photos, but this illustrates the problem:

Before, this was 100% symmetrical. There are no chips in the blade.

[–] gcgallant 5 points 1 week ago (1 children)

I can’t tell much from the photo. What does it look like if you lay each side on a flat surface?

[–] PorkButtsNTaters666 5 points 1 week ago (1 children)

I will get to it after work. Thanks for looking at it!

[–] PorkButtsNTaters666 4 points 1 week ago* (last edited 1 week ago) (2 children)

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.

[–] gcgallant 4 points 1 week ago (1 children)

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.

[–] PorkButtsNTaters666 4 points 1 week ago (2 children)

As to heating up, what temps are we talking about as to not interfere with the tempering?

[–] gcgallant 4 points 1 week ago (1 children)

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.

[–] djundjila@wetshaving.social 3 points 1 week ago (1 children)

But then what would be the benefit?

[–] gcgallant 2 points 1 week ago (1 children)

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.

[–] djundjila 2 points 1 week ago (1 children)

Perhaps making the razor hot might allow it to be more easily straightened when the blade is put in a vise.

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)

I've had zero luck. The amount of pressure to get the steel to retake its shape normally breaks the steel.

😬 Yeah, that's the risk

[–] gcgallant 2 points 6 days ago

I thought as much, but figured I'd ask. Thanks!

[–] djundjila 2 points 1 week ago (1 children)

Tempering is usually done at around 500Β°C, so you'd definitely want to stay far away from those temps.

[–] PorkButtsNTaters666 2 points 1 week ago (1 children)

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)

[–] djundjila 2 points 1 week ago (1 children)

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 :)

[–] PorkButtsNTaters666 2 points 1 week ago

No gas here, only induction. But I didn't know that a small torch provides the power of the sun πŸ’₯

[–] djundjila 3 points 1 week ago

😬 😭