The two categories of cast ferrous are those made of iron and steel. You might also like..ConclusionIn addition to these abrasives, there are speciality niche materials that do not fit into any category. An example is […]PlasticPlastic abrasive is used extensively in the aerospace industry where it has virtually replaced all chemical strippers. This is also […]Glass Bead and GritGlass bead abrasives are small, spherical white glass particles mainly used for peening applications or polishing substrates because they can […]