Angular Steel Grit

Angular steel grit is obtained by crushing spherical beads. It is used for intensive cleaning, special surface treatment processes or stone cutting.

WGP type - quenched and tempered, angular when new, this grit rapidly rounds off in use and is particularly suited to descaling applications.

WGL type - quenched and tempered, although harder than WGP steel grit, WGL also loses its sharp edges during shot blasting and is particularly suited to descaling and surface preparation applications.

WGH type - quenched with maximum hardness, WGH always remains angular in its operating mix. These abrasives are particularly effective in surface treatment processes and produce a uniform, etched finish. For use mainly with compressed air equipment.

	WGP	WGL	WGH
Form in the mix of operating	angular
Chemical composition	carbon ≥ 0.85% phosphorus ≤ 0.05% ≤ 0.05% sulfur
Medium hardness	480-550 HV (48-52 HRC)	570-650 HV (53-57 HRC)	≥840HV (≥ 64HRC
Deviation	10 measurements performed at ± 2 HRC radial center sections or ± 60 HV 1
Real minimum hardness	≥ 7,6 kg/dm³

Metal industries - which represent a world market of more than 1 million tons of abrasives:

- Surface cleaning : in the foundry (sand removal and cleaning of parts), in the forge and stainless steel industry (descaling).
- Surface preparation : cleaning, surface roughening to ensure optimum adherence of paint and coatings.
- Surface enhancement : shot peening treatment against deformation, wear and corrosion.

Stone industry - which consumes a little over 155 000 tons of abrasives per year: granite cutting by abrasive in a liquid suspension, the abrasive circulates inside gangsaws and is used for cutting stone blocks into thin slabs.
Other applications have been of use in the mining industry (with Millpebs) and in the building and civil engineering sector (production of WearGrit, a new ultra-high performance concrete based on steel abrasives). Finally, the physical properties of the steel abrasives make it a very interesting material for precision ballasting.