Hand Tools Archive

Subject:
Let's have another mind-numbing steel discussion

Steve Voigt
This is mostly a shout-out to Wiley, but anyone is welcome to join in, of course.

Wiley, in the Kiyohisa/Kiyotada thread, you wrote:

white steel no. 1 or blue steel no. 1 has 1.2% to 1.4% carbon, depending on which grade of No. 1 they're using. But only 0.77% C can be dissolved into the iron. The difference, even allowing for some carbon loss during heating/forging, becomes Fe3C carbides. So the Japanese steel is carbide-rich. I suspect a lot of the 'handwork' we hear about is trying to get all that carbide distributed.

I am struggling a little to understand what this means. Is the .77% figure a hard limit for all carbon steel? Are you saying the un-dissolved carbon is a good thing, or a bad thing, or that it depends on how the steel is worked?

I stress that I am not disagreeing (or agreeing), I just want to add to my own understanding of how this all works.

Man, for such a dirt-simple substance that's been around for eons, it's amazing how complicated HC steel can be.

Thanks in advance,
Steve

Messages In This Thread

Let's have another mind-numbing steel discussion
Re: Let's have another mind-numbing steel discussi
Re: prompted to go look for terminology
an addtion
Re: Let's have another mind-numbing steel discussi
I think it more complicated than just "carbides"
Re: Let's have another mind-numbing steel discussi
Re: Let's have another mind-numbing steel discussi
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don't overlook compostion
Re: don't overlook compostion
the point was
Re: the point was
Some misconceptions discussed
Re: cheaper, no
The red herring of sharpenability
Re: Not red herring, more like luxury
I'll make a wager.....
Re: I'll make a wager.....
Re: I'll make a wager.....
Very confused...
Re: Very confused...
Avoid plates like the plague
Re: Avoid plates like the plague
Terminology
Re: Terminology *PIC*
Concepts and comparisons
Novaculite
Quartzite
What I've concluded from this...
Re: What I've concluded from this... *PIC*
Re: One more.. *PIC*
Charts
Re: Charts
Aha... *LINK*
Re: Aha...
I suspect...
Re: Terminology
Of course not...
Re: Of course not... *PIC*
Re: Laminated steel
Re: Laminated steel
Re: Laminated steel
Re: Laminated steel
Re: Laminated Steel Colonial Edge Tool *PIC*
Re: Laminated Steel Colonial Edge Tool
Re: Laminated Steel Colonial Edge Tool
Re: Laminated Steel Colonial Edge Tool
Re: Let's have another mind-numbing steel discussi
Re: Let's have another mind-numbing steel discussi
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