AR 500 is far more complex than that. It contains secret amounts of
many of the high end metals.
Your Mang and Moly are in rows 4 and 5 along with Cr and Vanadium and
Iron and Colbolt. Baby stuff for keeping out large bullets.
Try atomic numbers 104 - 108, 58-60 and all of yours.
Massive Atoms are Heavy. They also tend to stick together. e.g. U92 is
near by and it takes a Boom to make it split apart.
Hf (72) Hafnium is used as a source of electrons in Plasma torches.
You add electrons to it and it showers that amount back to the tip.
https://www.chapelsteel.com/ar500-ar500f.html
https://www.chapelsteel.com/weight-steel-plate.html
AR500 / AR500F
AR500 and AR500F are quenched & tempered through hardened wear resistant
grades of abrasion resistant steel plate used for severe impact and
abrasion. Chapel Steel's premium grade of these products are Chapalloy
500 and Chapalloy 500F. Chapel Steel recommends the “F” chemistry in
applications where there will be forming or higher impact.
Mechanical Properties:
Tensile: 247 ksi TYPICAL – NOT INTENDED FOR STRUCTURAL USE
Yield: 187 ksi TYPICAL – NOT INTENDED FOR STRUCTURAL USE
Elongation: 11.1% in 8”
Brinell: 450 min / 500 nominal
Chapel also makes this :
Chapalloy Armor Plate
A proprietary ballistic steel plate which is through hardened, quenched
and tempered and is guaranteed to meet various NIJ and UL
specifications. Acceptance criteria is based on the specification
desired and the thickness of the plate required to meet that standard.
The Houston facility is mostly ship and offshore with armor car and
fixing CAT machines.....
Chapel at :
LOCATIONS
Philadelphia, PA
Chicago, IL
Birmingham, AL
Houston, TX
Portland, OR
Hamilton, ON
Cleveland, OH
Martin