Creating metal sculptures that endure extreme temperature fluctuations requires careful planning and execution. Start by selecting the right materials—stainless steel, bronze, and weathering steel are top choices due to their low thermal expansion rates and corrosion resistance. Avoid metals like aluminum, which expand significantly under heat.

Design plays a crucial role; incorporate expansion joints or flexible connections to accommodate material movement. Welding techniques matter too—use TIG or MIG welding for strong, heat-resistant seams, and avoid weak spots that could crack under stress.

Protective finishes, such as powder coating or patinas, add an extra layer of defense against thermal fatigue. Regular maintenance, including inspections for stress cracks, ensures longevity. By combining these strategies, artists can craft stunning, resilient sculptures capable of withstanding nature's harshest conditions.