AR450 / 450F Abrasion Resistant Steel Plate

Leeco® Steel stocks and supplies large quantities of AR450 steel plate, which offers more surface hardness than AR400 without compromising formability.


  • Abrasion resistant steel grade that offers more surface hardness than AR400 without compromising ductility and formability.
  • Surface hardness of 410-490 BNH.
  • Ideal for moderate-to-heavy wear uses, such as in bucket components, dump body trucks and construction equipment.
  • Also referred to as AR450F (formable).
  • Composition and hardening processes differ between mills. Mill test reports are supplied with each order.
Looking For Mil-Spec?

While often requested for ammunition target surfaces, AR500 steel plate is not certified for ballistic use. Browse Leeco Steel’s Military & Ballistic steel grades for military-certified ballistic steel plate.


Available Sizes

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

AR 450 3/16" – 2" 48" – 96" 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.