When creating sculptures for high-altitude installations, selecting the right metal is crucial to ensure longevity, stability, and visual appeal. The most important factors to consider include durability, weight, corrosion resistance, and adaptability to extreme weather conditions.

Durability is paramount, as high-altitude environments expose sculptures to strong winds, temperature fluctuations, and UV radiation. Metals like stainless steel, bronze, and titanium are favored for their strength and ability to withstand harsh conditions.

Weight plays a critical role in both transportation and installation. Lightweight metals such as aluminum or titanium alloys reduce logistical challenges while maintaining structural integrity.

Corrosion resistance is essential to prevent degradation from moisture, snow, and acidic rain. Stainless steel and corten steel are popular choices due to their protective oxide layers.

Lastly, thermal expansion properties must be considered to avoid warping or cracking in freezing temperatures. By balancing these factors, artists can create stunning, enduring sculptures that thrive in high-altitude settings.