A193 Gr B7 Equivalent Material refers to high-strength alloy steel fasteners that are commonly used in pressure vessels, valves, flanges, and fittings for high-temperature or high-pressure service. These materials are heat-treated to provide excellent mechanical properties, including tensile strength and corrosion resistance. Several international standards offer equivalent grades to ... https://vidyafasteners.com/astm-a193-grade-b7-fasteners-manufacturer-india/