On Tuesday, November 7, 2000 at 9:50:34 AM UTC+2, Ben Jackson wrote:
I picked up a chunk of 1/2" mild steel plate at a scrap yard with the
intention of turning it into various pistol/rifle targets. What is
the best way to treat it after welding it up to prolong the life of
the target?

You can't heat treat mild steel. You might as well not bother, as it
will be shot up in no time.

The material specified for NRA and IMHSA Silhouette targets is "T1
armor plate". My .308 pistol won't even leave a mark on it at 50
meters.

About a year ago I ask here what T1 is. Lots of good answers. Here's
the thread

https://groups.google.com/forum/#!to...ng/zJdaD-g6-MM

John
John DeArmond
http://www.neon-john.com
http://www.tnduction.com
Tellico Plains, Occupied TN
See website for email address