Forge welding D2?

necroposting, but I figured 10 years later some schmuck like myself comes by and tries it:
NRQPO6j.jpg


You can successfully forge weld, but it requires VERY hot temps.

The problem, is the cool down:
3C4AFiX.jpg

Cracks happen, and it forces you to dig down into the billet at the edges.

Still no telling what is inside the billet, but unless you have an oven to cool it down properly, I would avoid it.
 
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