ASTM A387 Grade 22 plates are manufactured by using supreme quality raw material & high technology. It has a wide range of specifications such as different standards, hardness, form, finishing, thickness. A387 Grade 22 plate can work at 600°C temperature. Chromium and molybdenum work continuously at different temperatures with excellent performance. ASTM A387 gr 22 plate class 2 has b... https://www.chhajedalloys.com/alloy-steel-grade-22-sheet-plate-manufacturers-suppliers-exporters-stockists.html