Aluminium 5083 o h111 alloy plate is a high-strength, highly corrosion-resistant aluminum-magnesium alloy plate belonging to the 5xxx series aluminum alloys (Al-Mg series). It offers excellent overall performance, particularly in marine environments and welded structures. Chemical Composition and Alloy Properties – Main Composition: Magnesium (Mg) is the primary alloying element (approximately 4.0-4.9%), with small amounts of silicon (Si) and iron (Fe), …