Junk Yard Steel

Got a scrap yard 30 min down the road from me. I should go there and see what's available.
 
This chart might be the best thing that has happened all week.

Daryl
MN
 
There are no oilfield steels listed.... Draw works shafting = 4140/45HT. Most any drilling tools that go down hole = 4145H high heat treated steels.
 
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