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Blade steels and ferro-rod

Posted by SVallieres 
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Blade steels and ferro-rod
September 09, 2016 08:01AM
Hi guys,

I didn't know where to ask this one but here we go...

Why do non-stainless steels (commonly called carbon steels but this like saying soya tofu or milk yogurt because there's no steel without carbon) throw better sparks out of a ferro-rod than stainless steels?

Don't the sparks come from the ferro-rod, not the blade steel? So why is the steel type of any influence?

Thanks for your help!
Re: Blade steels and ferro-rod
September 09, 2016 08:36AM
Hi,
Quote
SVallieres
Why do non-stainless steels throw better sparks out of a ferro-rod than stainless steels?

Don't the sparks come from the ferro-rod, not the blade steel? So why is the steel type of any influence?

Hi,
they don't, its just rumor misunderstood and repeated without thinking
you cant throw sparks from stainlesssteel with a rock (flint rock)
the steel you shave off just turns black it doesn't burn
where as with a carbon steel knife you can throw sparks with a rock,
you can smash/shave off pieces of carbon steel and they'll burn red/orange hot/long enough to transfer the heat and burn/ember some charcloth...


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Quote
SVallieres
(commonly called carbon steels but this like saying soya tofu or milk yogurt because there's no steel without carbon)

smiling smiley its a technical term , see wikipedia Carbon_steel
Quote

Steel is considered to be carbon steel
when no minimum content is specified or required for chromium, cobalt, molybdenum, nickel, niobium, titanium, tungsten, vanadium or zirconium, or any other element to be added to obtain a desired alloying effect;
when the specified minimum for copper does not exceed 0.40 percent;
or when the maximum content specified for any of the following elements does not exceed the percentages noted: manganese 1.65, silicon 0.60, copper 0.60

____
Thanks
I don't mow smiling smiley
Re: Blade steels and ferro-rod
September 12, 2016 05:02PM
Hi S&M,

thanks for the links/info!