Gallery, Projects and General > How do I??
Kasenite and Coal Dust
Joules:
Here's a question. Can coal dust be used like Kasenite. I am at the dregs of the coal bunker once again, with a pile of coal dust to shovel in the bin. With the recent talk of lobbing your scrap iron in the woodburner, I wondered if a tin of coal dust and some steel parts for case hardening would be viable. Anyone tried it, anyone want to buy kilo bags of coal dust once a year ?
p.s if you don't want to buy my coal dust I guess powdered charcoal would be a close second.
p.p.s This is smokeless coal, so supposedly less sulphur :)
awemawson:
I suppose anything containing carbon is a potential case hardener. After all the process just gets the steel hot enough for the carbon to migrate. Additives just aid the process. Years back strips of old leather were used.
RobWilson:
Evening Joules
The carbon content of coal is only about 60% at best and the other chemical, like sulfur, would also migrate across. Charcoal the main ingredient in Kasenite is nearly 99% Carbon, coking the coal would burn off all the volatiles and get rid some of the other chemicals.
Wood, bone and leather charcoal are all used to make case hardening compounds, along with a few other seasonings and spices to speed the process.
Rob. :thumbup:
awemawson:
The modern 'Kasenite Substitutes' don't seem to get sticky when heated. With the genuine original I could get something red hot, dip it in the tin, and it would come out glistening with a semi-liquid cover that you could continue to heat in a flame or fire. The new stuff just bubbles up and flakes off :scratch:
RobWilson:
Evening Andrew,
I have not had the pleasure of using the new, improved case hardening compound, I did hear it was not up to much. I bet it does not have the same Kasenite smell when in use.
Rob
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