Removing stubborn rust from steel requires more than elbow grease and cleaners. Sandblasting is the most effective way to get rid of rust and reveal the pristine steel beneath. … Operating a sandblaster requires finesse to ensure that the metal is not scratched or pitted in the rust-removal process.
Sandblasting can be done on-site for trucks and mining equipment.
Shot blasting is done on all new fabrications to eliminate all oil and dirt on the steel. This will ensure that the paint will bond better and the surface.
Shot blasting is also used to take off all old paint back to bare metals.