Attributes . ASTM A182, Grade F22, Class 3, ASTM A199, Grade T22, ASTM A200, Grade T22, ASTM A213, Grade T22, ASTM A234, Grade WP22, ASTM A250, Grade T22, ASTM A335, Grade P22, ASTM A336, Grade F22, Class 3, ASTM A356, Grade 10, ASTM A369, Grade F22, ASTM A387, Grade 22, ASTM A426, Grade CP22, ASTM A487, Grade 8, ASTM A508, Grade 22, ASTM A541, Grade 22, ASTM A542, Type A, ASTM A542, Type B, ASTM A739, Grade B22, ASTM A832, Grade 22V . Names