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- Steel shot - manufactured hypereutectoid, metal spheres used in airless centrifugal wheel blast machines to clean foundry castings, surface polishing and shot peening
- Also used in portable trackblast airless wheel blast machines for concrete floor preparation, blasting ship decks and profiling
- Quality Steel Shot is very long lasting
- Steel Shot can be recycled many times
- Hardness: 40-50 HRc. Other hardness's of steel shot are available on request
- Special, Stainless Steel Shot and High Hardness, Milspec (Military Specification Peening Steel Shot) specification shots available
- Manufactured to conform to: SAE J444, SAE J827, SFSA 20-66
- Steel Shot is packed in 25kg bags, drums or bulk bags
Stainless Steel Shot
- Manufactured chronital stainless steel shot abrasive
- Can be recycled many times
- Stainless Steel Abrasives are also used in applications where there can be no ferrous contamination
- Used mainly in an air-blast application to create a specific desired finish or where a non-ferrous abrasive is required
- Sharp edges gradually round over as it wears
- Packed in 25kg bags
- Made by Vulkan Shot
- Grittal Stainless Steel Grit also available
What Is Steel Shot Hardness?
Hardness is a resistance of metal to plastic deformation – usually by indentation. This term may also refer to a metal’s stiffness, resistance to scratching, abrasion or cutting etc. It is the property of a metal which gives it the ability to resist being permanently deformed, bent or broken when an external load is applied.
How Is Steel Shot Hardness Measured?
The most common hardness test applied for steel shot is the Rockwell Hardness Test. This is a hardness measurement based on the overall increase in depth of impression as a pre-described load is applied to the surface of the metal.
Types Of Steel Shot
Spherical steel in the fully heat-treated condition. With a uniform structure it provides optimum resilience and resistance to fatigue. When steel shot is used for the majority of wheel blast applications, its durability and resistance to impact fatigue gives maximum cleaning efficiency at the most economical cost. Suited to shot peening applications.
Sizes Of Cast Steel Shot
There are many different grades and sizes of steel shot available and the selection of abrasive is determined by:
• type of material being blasted
• the coating being removed (e.g. mill scale, old paint)
• what profile is required
• condition of surface being blasted