Understanding Corrosion in Water Pipelines: A Guide for Pipeline Designers


Steel Shot

Last updated: October 30, 2019

What Does Steel Shot Mean?

Steel shot refers to a type of ballistic material that is used as a projectile for abrasive blast cleaning and shot peening, as well as for shotguns and pellet guns. Steel shot occurs in the form of a metallic pellet that is a bluish-gray alloy of iron with carbon. They are processed in a variety of finishes, allowing for a wide range of corrosion resistance levels.


Corrosionpedia Explains Steel Shot

Steel shot is generally available in the form of highly polished, perfect spheres that are softened via annealing.

The following classifications are used for steel shot:

  • Zinc-plated or original. Steel shot is generally finished in one of two ways: polishing the original pellet or plated with zinc. Zinc-plated shot eliminates the occurrence of rust and corrosion.
  • Load data. Different steel shot are able to withstand a variety of load forces.
  • Industry standards. A variety of ballistic industry classifications are used to group steel shot. These are based on rates of softness, shape consistency and overall quality.

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