A387 CrMo GR 11, GR22 and GR91 sheet constructions are suitable for various industries and applications such as furnace equipment, chemical processing, food processing, nuclear power plants, etc. These also include applications such as industrial boilers, heat exchangers, piping and pressure vessels. Alloy A387 is also supplied to industries such as the petroleum and petrochemical industries. ASME a 387 covers molybdenum for elevated temperature, pressure vessel services in alloy steel mills.