MIL-A 46100

MIL-A 46100 Military-Grade Steel Plate

MIL–A 46100 steel plate is military spec armor steel that exhibits high-hardness and is approved for use within the Department of the Army.


  • Military-grade of steel plate typically used as structural or vehicle armor to stop high-velocity projectiles, such as sniper fire.
  • Sold plates are DFARS compliant and include full certification documentation.
  • Surface hardness between 477 and 534 BHN.
  • Material can be formed, but does have ductile limitations.
  • National Institute of Justice certification or UL testing available upon request.


Available Sizes

Leeco® Steel stocks the following standard sizes, but other sizes may be available for special orders.

MIL-A 46100 3/16" – 2" 48" – 120" Up to 480"

Minimum order weight in the USA is 20 tons. For orders weighing less than 20 tons, additional freight surcharges may be applied. Minimum order weight for orders outside of North America is 500 MT.