A193 Gr B7 Equivalent Material refers to high-strength alloy steel commonly used in bolting applications for pressure vessels, valves, flanges, and fittings. It offers excellent tensile strength, hardness, and heat resistance, making it suitable for high-temperature and high-pressure environments. This material is typically tempered and quenched to meet industry standards. A193 Gr B7 ... https://vidyafasteners.com/astm-a193-grade-b7-fasteners-manufacturer-india/