... 60, (S)A515 Grade 65, (S)A515 Grade 70 A 516/A 516M Pressure Vessel Plates, Carbon Steel, for Moderate-and Lower ... -Temperature Service A 515/A 515M Pressure Vessel Plates, Carbon Steel, for Intermediate- and ... . Services of Steel: Cutting, Welding, Z15, Z25, Z35, Qt, N, Q, A, Sand clusting, Painting Flaw-Detection Grade1, Flaw-Detection Grade2, Flaw ...