[TheForge] Steel ID question

Sat Feb 7 01:47:01 2004

Robert:  Quite often, these pins are made of impact resistant steels like
S-1 or S-7.  However, you can likely check with Caterpillar tech services.
Knowing the part nomenclature would be helpful, but they should be able to
help without it.

Grant
----- Original Message ----- 
From: "Bob Ehrenberger" <[email protected]>
To: "theforge" <[email protected]>
Sent: Friday, February 06, 2004 9:03 PM
Subject: [TheForge] Steel ID question

> This week I had a friend give me a couple hinge pins off of a CAT.  They
are
> about 2 1/2" diamiter and 12" long. They come from the point where the
blade
> arm connects to the frame.  He said that a few years ago the pins all had
> holes in them for lubrication but now they have gone back to solid.
>
> Does anyone know what these are made of? I think they would made good
hammer
> heads or trip hammer dies, if I knew what they were and how to heat treat.
>
> Robert Ehrenberger
> Shelbyville, Mo.
>
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