Mild alloy steel Grade SA 387 11/12/22/5/91 cl. 1/2 available ex stock for high temperature use enhances the mechanical properties and provides great greater durability against corrosion compared to carbon steel. It varies from other steels in which they represent not made to meet a specific chemical composition but rather to specific mechanical properties. In low alloy steel plate, The main purpose of the alloying elements is to increase hardenability to achieve optimize mechanical properties and toughness after heat treatment. The increased strength of this low alloy steel plate means that equipment can be built stronger but lighter, With less steel. Technical specificationsen40b, En, 40b, En 40 b15cr13mo6, 15 cr13 m0 6, 15cr3mo55, 15 cr 3 mo 55722m24, 1. 85153% chromium molybdenum nitriding steelfeaturesductilehighly formable weldableapplicationsthis plate is utilized within truck framesbracketscrane boomsrail cars