NFA E455Dsteel plate/sheet,E455Dsteel plate/sheet, under NFA standard, we can regard E455D steel plate/sheet as high yield strength steels for cold-forming steels. E455D steel plate is mainly used as high yield strength steels for cold-forming steels.The NFA E455D steel is equivalent to SEW092 QStE460TM, UNE AEE440HC, ASTM Gr.65 and BS 50F45 steel grades.