Pressure Vessel aluminium Plate Pressure vessel aluminum plates are specialized aluminum sheets designed for manufacturing containers that store or process pressurized media (e.g., gases or liquids). They represent not only an extension of "marine aluminum plates" or "pump body aluminum profiles," but also a rigorous test of material performance under high pressure, specific media, and extreme operating conditions. The mainstream materials include 5xxx series alloys (5083,5754),6xxx series (6082,6061), and special high-performance alloys.