SA 516 GR 60 is a type of carbon steel plate that meets the standards of the American Society for Testing and Materials (ASTM) and the American Society of Mechanical Engineers (ASME). Here are some key details about this plate: *Grade: SA 516 GR 60 *Specification: ASTM/ASME SA516 *Type: Carbon steel plate *Grade Number: 60 (indicates yield strength) BQ Plate: - BQ stands for Boiler Quality - Indicates that the plate meets the standards for boiler and pressure vessel applications Key Properties: - High strength - Good weldability - Excellent notch toughness - Resistance to hydrogen-induced cracking Applications: - Boilers and pressure vessels - Petrochemical and oil refineries - Power generation - Shipbuilding Chemical Composition: - Carbon, Manganese, Silicon, Copper, Sulfur, and Phosphorus Mechanical Properties: - Tensile strength: 415-550 MPa - Yield strength: 220-240 MPa - Elongation: 21-25% Please note that the information provided is based on the search results and might not be comprehensive.