Why were the ingots mostly round?

Jens Nordlunde · 4th April 2006, 09:30 PM

I am rather puzzled. ‘Air’ bubbles, what is that, and how do you work your way around them? It is the first time I have ever heard about it.
The cracks are something interesting. I know of course that they appeared; most of the collectors know this, but why? One would think that when a blade is heated and worked on cracks would disappear, that the forging would make the blade more homogeneous, so why are the cracks still there?

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4th April 2006, 09:30 PM	#12
Jens Nordlunde Member Join Date: Dec 2004 Location: Europe Posts: 2,718	I am rather puzzled. ‘Air’ bubbles, what is that, and how do you work your way around them? It is the first time I have ever heard about it. The cracks are something interesting. I know of course that they appeared; most of the collectors know this, but why? One would think that when a blade is heated and worked on cracks would disappear, that the forging would make the blade more homogeneous, so why are the cracks still there?