ASTM A193 Grade B7 is a high-strength alloy steel fastener material commonly used for bolts, studs, and threaded rods in high-temperature and high-pressure applications. It is manufactured from chromium-molybdenum steel and heat-treated to achieve excellent tensile strength, durability, and resistance to wear. Equivalent materials are often selected for industrial sectors such as oil ... https://vidyafasteners.com/astm-a193-grade-b7-fasteners-manufacturer-india/