... Steel grade, A516 Gr 70, A516 Gr 60, A516 Gr 65, A516 Gr 55, HIC, ASTM, steel plate ... . 1. Boiler & Pressure Vessel Steel Plates (S)A516 Grade 55, (S ... 516/A 516M Pressure Vessel Plates, Carbon Steel, for Moderate-and Lower-Temperature Service A ... Grade2, Flaw-Detection. 3. Steel Adopt Standard: ASME, ASTM 4. Dimension of Steel Plate: Thickness-6~150mm; Width-1150~3700mm ...