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oil temper


eugene walton

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Guest Simon Rowson

Hi Eugene,

 

Do your photos show a single blade? I'm a little confused as the temper line near the habaki is straight whilst that near the point is a zig-zag.

 

Regarding oil tempering, a sure sign is a complete lack of nie, the larger martensite crystals that you only see in traditional water quenched blades. Also, most oil tempered blades show no hada, or grain, as they were mass produced from bars of steel.

 

Simon

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the showa stamp shows non tradational, that just means "modern" steel not tamahagane was used in the mfg., the stamps were put into efect because some of the swords made with modern steel could not be told from "tradational" swords made from tamahagane.................................. this is from the book modern Japanese swords and swordsmiths

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a lot of the better showa-to acquired false signatures, also the stamps were removed from maney better showa-to, and now have a verry diferent history than they should, I think the shape of a sword can tell part of the story, the truly massproduced swords seem to all have a standerd shape so the fitting could be made to the same standard, or.......... ;) not

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