Artists employ a variety of techniques to ensure their metal sculptures withstand the challenges of thermal expansion and contraction. One common method is selecting metals with low thermal expansion coefficients, such as stainless steel or bronze, which are less prone to warping under temperature fluctuations. Additionally, strategic design plays a crucial role—incorporating expansion joints or flexible connections allows the sculpture to adapt to thermal changes without cracking.

Welding techniques also contribute to durability. Artists often use specialized welding methods, like TIG welding, to create strong, heat-resistant bonds that minimize stress points. For larger sculptures, segmented construction with gaps between sections can prevent buckling or distortion as temperatures shift.

Finally, protective coatings, such as powder coating or ceramic-based finishes, act as barriers against extreme heat and cold, further enhancing resistance. By combining material science, thoughtful design, and advanced craftsmanship, artists ensure their metal masterpieces endure for generations.