Effect of pre-strain aging on microstructure and mechanical properties of a structural steel for high-altitude cold regions

Puntos clave

• Mechanical properties are significantly influenced by pre-strain aging, affecting performance during cold weather.
• Alterations in microstructure relate directly to changes in tensile strength and ductility.
• Assessment includes various temperatures and aging durations under high-altitude conditions.
• Findings suggest potential applications for structural steel in extreme environments.