Manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates for boilers and other pressure vessels

This standard establishes the specifications for manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates intended for use in boilers and other pressure vessels. It outlines the requirements for material composition, mechanical properties, and testing procedures to ensure the suitability of these materials for high-pressure and high-temperature applications. The standard provides detailed guidelines on dimensions, tolerances, and marking of the steel plates. It also includes information on the manufacturing processes and quality control measures necessary to meet the specified performance criteria. The document serves as a reference for manufacturers, suppliers, and users to ensure consistency and reliability in the production and application of these materials.