AISI 216 Stainless Steel Equivalent and Similar Grades AISI 216, wrought (Austenitic) Condition Solution annealed UNS number S21600 US name AISI 216 USA: S21600 to ASTM A240/A240M, S21600 to ASTM A479/A479M, S21600 to ASTM A492-95, S21600 to ASTM A959, S21600 to SAE J405, S21603 to ASTM A240/A240M, S21603 to ASTM A479/A479M, S21603 to ASTM A492-95, … Continue reading AISI 216 Stainless Steel Equivalent Grades