| Material | Composition | Properties | Maintenance |
| Aluminium 5051 | Al: 95.8-98.3%, Mg: 2.2-2.8%, Mn: 0.1-0.4%, Si: 0.25%, Fe: 0.4% max, Cu: 0.1% max | High corrosion resistance, excellent weldability, moderate strength | Clean regularly with mild detergent, avoid harsh chemicals, consider protective coatings |
| Aluminium 5052 | Al: 97.25% min, Mg: 2.2-2.8%, Cr: 0.15-0.35%, Mn: 0.1% max, Si: 0.25% max, Fe: 0.4% max | Excellent corrosion resistance, high strength-to-weight ratio, good formability | Regular cleaning with water, avoid abrasive cleaners, apply coatings for durability |
| Aluminium 6061 | Al: 97.9% min, Mg: 1.0-1.5%, Si: 0.4-0.8%, Cu: 0.15-0.4%, Cr: 0.04-0.35%, Mn: 0.15% max, Fe: 0.7% max, Zn: 0.25% max | Excellent machinability, high strength and toughness, good corrosion resistance | Clean with mild soap and water, inspect welds regularly, use lubricants for moving parts |
| Aluminium 7075 | Al: 87.1% min, Zn: 5.1-6.1%, Mg: 2.1-2.9%, Cu: 1.2-2.0%, Cr: 0.18-0.28%, Mn: 0.3% max, Si: 0.4% max, Fe: 0.5% max | Extremely high strength, lightweight, excellent fatigue resistance | Regular cleaning recommended, apply anodizing or coatings, handle carefully during machining |
| Stainless Steel SS304 | Fe: Balance, Cr: 18-20%, Ni: 8-10.5%, Mn: 2% max, Si: 1% max, C: 0.08% max, P: 0.045% max, S: 0.03% max | Good corrosion resistance, excellent formability and weldability, non-magnetic | Clean with water and mild detergents, regular polishing or passivation, avoid harsh chemicals |
| Stainless Steel SS316 | Fe: Balance, Cr: 16-18%, Ni: 10-14%, Mo: 2-3%, Mn: 2% max, Si: 1% max, C: 0.08% max, P: 0.045% max, S: 0.03% max | Superior corrosion resistance (especially in saltwater), excellent weldability, higher pitting resistance | Regular cleaning with water, rinse after saltwater exposure, periodic inspections |
| Stainless Steel SS316L | Fe: Balance, Cr: 16-18%, Ni: 10-14%, Mo: 2-3%, Mn: 2% max, Si: 1% max, C: 0.03% max, P: 0.045% max | Excellent corrosion resistance, ideal for harsh chemical environments, non-magnetic | Regular cleaning with water, avoid harsh chemicals, consider passivation |
