[TheForge] Re: blackened steel finish
Mike Spencer
mspencer at tallships.ca
Mon Jun 28 01:28:08 EDT 2010
"Lucky7Steel" <lucky7steel at gmail.com> wrote:
Karen> Anyone have any suggestions for getting basically the mat
Karen> finish of hot rolled on cold rolled steel? I have trouble
Karen> finding Patina's in Toronto.
All the replies have addressed the 2nd sentence: how to get a black
patina. My experience with cold rolled is not that I can't get a
nice black finish, it's that the relatively shiny surface texture
doesn't go away. It's not clear whether Karen is looking for a patina
or for a way to modify the industrial-product look of the smooth
finish on cold rolled.
For the latter, you might take a yellow heat so that the piece scales
a little. Or you might try sand blasting. Forging all over at a
yellow heat should do it but you knew that, so that probably isn't
suitable for your purpose.
There was a point when I could only get 3/8" square in cold rolled and
I just gave up making fire pokers out of 3/8 sq because the cold
rolled look, even with the corners chamfered, didn't suit me and the
price of a poker in my market didn't justify more messing around.
Pokers? Yarn time:
A long-time friend came by one day and wanted fire poker. So I rooted
in my pile of rusty junk, found one left over from my crafty markety
days, cleaned it up and blacked it in the fire. No charge. The
friend has a lot of credit, y'know? He got a big kick out of the
art-found-in-a-junk-pile part.
A couple of months later, he showed up with his girlfriend and wanted
another fire poker, this time as a gift for Bill. But the previous
year, I'd done a little job for Bill and told him the fee was a case
of beer, delivered before the end of August. The beer never
materialized. So this time, I found yet another poker of the same
vintage in the same junk heap, did protocol with wire brush and hot
blacking and told my friend it was forty bucks. After a conference
with the girlfriend, he took it very well, paid up. I told him the
story about the case of beer a couple of years later.
- Mike
--
Michael Spencer Nova Scotia, Canada .~.
/V\
mspencer at tallships.ca /( )\
http://home.tallships.ca/mspencer/ ^^-^^
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