A common hardness test done with a round, very hard steel ball which is pressed into the material being tested. The diameter of the mark left in the steel is measured and a table is used to convert this to a Brinell Hardness Number. The higher the number, the harder the steel. See hardness testing.
CS Unitec's Surface Finisher - Linear Grinder - Model PTX Eco Smart
The PTX Eco Smart is a multi-functional grinding and polishing system for flat surfaces and open or closed pipe constructions. Grind from coarse to very fine finishes, and burnish to a high-gloss finish. Work with stainless steel, steel and nonferrous metals (aluminum, brass, bronze and copper), wood, and rigid plastic.
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