ASTM A193 B7 Equivalent Material refers to high-tensile alloy steel used mainly for bolting applications in high-temperature or high-pressure environments. It is commonly compared to materials with similar chemical composition and mechanical properties, such as 4140 and 42CrMo4. These equivalents offer strength, durability, and heat resistance, making them suitable for critical indust... https://vidyafasteners.com/astm-a193-grade-b7-fasteners-manufacturer-india/