[Spridgets] Steel grades

[Michael Myers]

China structural steel 20# corresponds to ASTM or SAE 1020 which would be a
plain carbon steel with 0.20% carbon. Hot rolled yield strength around
29000 psi, tensile around 55000 psi.

Mike Myers


On Mon, Nov 12, 2012 at 8:59 PM, <dwoerpel at wi.net> wrote:

> 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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