How does the design of stackable metal chairs impact material choice and durability?

The design of stackable metal chairs plays a critical role in determining both material choice and durability. Stackability requires lightweight yet strong materials, often leading to the use of aluminum or steel, which offer a balance of strength and portability. The chair's structure must withstand repeated stacking and unstacking, demanding reinforced joints and corrosion-resistant coatings to prevent wear. Additionally, ergonomic considerations influence material thickness and flexibility, ensuring comfort without compromising longevity. By prioritizing these design elements, manufacturers create durable, space-efficient chairs ideal for commercial and residential use.