A351 valves covers the valve body made of austenitic steel castings. ASTM A351 valves vary degrees of suitability for service at high temperaturesor in corrosive environments, it is the responsibility of the purchaser to determine which grade shall be furnished. Selec-tion will depend on design and service conditions, mechanical properties, and high-temperature or corrosion-resistant characteristics, or both.

ASTM A351 valves are commonly made of ASTM A351 CF8, CF3, CF8M, CF3M, CG3M and CG8M.

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