ASTM A387 Gr 22 Cl. 1 Plates, Grade 22 Class 2 Sheets, CrMo Grade 22 Class 1/2 Sheets, SA 387 GR.22 Class 2 Chromium - Molybdenum Plate, SA387 Cr-Mo Gr. 22 Class 1 Sheets, ASTM A387 Grade 22 Class 1 HR Sheets, ASTM A387 Grade 22 Cl 2 CR Sheets, ASME SA387 Gr. 22 Class 1 Industrial Sheets. UNS K21590 Sheets, Gr. 22 Cl. 2 Plates, UNS K21590 Polished Plates