Subject: [Spridgets] Steel grades

From: [email-masked]
Date: Mon, 12 Nov 2012 19:59:47 -0600 (CST)

OK, metallurgists.  I'm looking at a set of jack stands and the pins
are made of #20 steel.  What does that mean?  I've determined
it's probably a China grading but haven't been able to find anything (that
I could understand).  How does the numbering system show strength,
etc.?

Just curious,
Dave W.
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[email-masked]

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