When choosing outdoor furniture, durability is a top concern. Aluminum and wrought iron are two popular metal options, but they perform very differently over time.
Aluminum outdoor furniture is naturally rust-resistant due to its protective oxide layer. It's lightweight, won't corrode in wet climates, and requires minimal maintenance—usually just occasional cleaning. Modern cast aluminum is also very sturdy. However, it can be prone to bending under extreme force and may fade in direct, intense sunlight.
Wrought iron furniture is exceptionally heavy and strong, offering unmatched stability in windy conditions. Its classic, ornate look is highly valued. The main drawback is rust. Unless it has a top-quality, baked-on powder coating, wrought iron will eventually rust if the finish is scratched or chips, requiring sanding and repainting to maintain.
In terms of pure durability against the elements, aluminum generally wins with its zero-rust advantage, especially in coastal areas. For sheer structural strength and weight, wrought iron is superior. Your choice depends on your climate, maintenance willingness, and style preference. Powder-coated aluminum often provides the best balance of rust resistance, strength, and modern style.