ASTM A193 Gr B7 material is a high-strength alloy steel commonly used in bolting applications for high-pressure and high-temperature environments. It is heat-treated chromium-molybdenum steel, offering excellent tensile strength, hardness, and corrosion resistance. This material is widely used in industries like oil & gas, petrochemical, power plants, and construction. ASTM A193 Gr B7... https://vidyafasteners.com/astm-a193-grade-b7-fasteners-manufacturer-india/