... 60, A516 Gr 65, A516 Gr 55, HIC, ASTM, steel plate. 1. Boiler & Pressure Vessel Steel Plates (S)A516 Grade 55 ... . Services of Steel: Cutting, Welding, Z15, Z25, Z35, Qt, N, Q, A, Sand clusting, Painting Flaw-Detection Grade1, Flaw-Detection Grade2 ... . 3. Steel Adopt Standard: ASME, ASTM 4. Dimension of Steel Plate: Thickness-6~150mm; Width-1150~3700mm; Length-3000~18000mm Boiler ...