Shot Peening Repair. Maintenance. Service. Since 1964 ¿Qué es Shot Peening? Shot peening is a cold working process used to produce a layer of compressive residual stress and to modify the mechanical properties of metals and composites involves striking a surface with shot with sufficient force to create plastic deformation. Call us +57 3176672615+57 3174004051 info@aerohelices.com Media Plástica Glass Bead Shot Peening