Jul 26, 2020 · 5083 Marine Grade Aluminum. 5083 Plate,Themonly used temper of 5083 aluminum sheet is H116/ H321/ H112, with a thickness of 3-200mm and a width ofmm. It is widely used for ship engine bases, ship decks, ship sides, bottom outer plates, etc., covering the hulls of yachts and cruise ships, etcHelped. 1.H116: Aluminum alloy with a magnesium content of not less than 3.0%, the state after anti-corrosion treatment; 2.H321: The state of stabilizing the aluminum alloy with a magnesium content of not less than 3.0% after hardening. H116: Magnesium content ≥4%, with good mechanical properties and anti-flaking corrosion performance.Jan 12, 2022 · Aluminium 5083 -12. The main alloying element in aluminium 5083 h116 plate is magnesium, which has good corrosion resistance and weldability, as well as medium strength. The surface is beautiful after anodizing, and the Arc welding performance is good. Excellent corrosion resistance makes aluminium 5083 alloy widely used in marine …5083 Aluminium Plate Sheet. 5083 Marine Grade Aluminum plate/CCS DNV ABS LR BV Certification/5083 H112 H116 H321 Aluminum Sheets. Material: 5083 aluminum alloy. Specification: Thicknessmm,Widthmm,Lengthmm. Application: Marine Use,Building,Car,Mold.