Alloy Steel Plate 387 GR 16MO3 is a type of steel plate that belongs to the ASTM A387 standard, which specifies requirements for alloy steel plates intended for elevated temperature service. Here are some key properties and characteristics of Alloy Steel Plate 387 GR 16MO3: - Grade: 16MO3 - Standard: ASTM A387 - Thickness: 5mm to 150mm - Width: 1500mm to 2500mm - Length: 3000mm to 12000mm - Material: Alloy Steel - Chromium content: 0.5% to 1.5% - Molybdenum content: 0.45% to 0.65% - Tensile strength: 450-585 MPa - Yield strength: 275-380 MPa - Elongation: 18-22% - Impact test: -20°C - Application: Weldable pressure vessels and boilers The "16MO3" designation indicates that the steel contains approximately 0.16% molybdenum and is intended for moderate temperature service. This grade of steel is commonly used in the construction of boilers, pressure vessels, and heat exchangers.