toughcore® is a brand of voestalpine Grobblech GmbH and defines our new as-delivered condition of thermomechanically rolled heavy plates with unique combinations of thickness, strength, excellent toughness and best weldability. Heavy plates delivered as toughcore® fully comply to all relevant standards in the linepipe, offshore, energy storage and transportation as well as construction and machinery industries. The designation of the steel grade remains according to the respective standard. The declaration of toughcore® can be found as annexure to the as-delivered condition.

more information on the toughcore© website 

Examples of as-delivered condition toughcore®: