[Spridgets] Steel grades

[dwoerpel at wi.net]

Thanks Mike that helped.  Just what I was looking for.
Dave

> 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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