ASTM B7 bolts are high-strength fasteners made from alloy steel, commonly used in high-pressure and high-temperature applications. Known for their excellent tensile strength and durability, these bolts are ideal for use in the oil, gas, petrochemical, and power generation industries. They are typically heat-treated to enhance mechanical properties and are suitable for bolting flanges,... https://vidyafasteners.com/astm-a193-grade-b7-fasteners-manufacturer-india/