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B8 B8M
A-193 B8 grade bolts are usually used for high temperature applications from 595°C to 815°C. However, it is important to note the difference between B8 CL. 1 and B8 CL. 2. A-193 B8 grade bolts are made of 304 austenitic stainless steel and require solution treatment. CL. 1 bolts are