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"