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.
The Fabricator Blog
Scholarship fund to honor Dick Kallage - by Tim Heston FMA’s Nuts, Bolts, & Thingamajigs foundation has set up a memorial scholarship fund in honor of Dick Kallage, an influential member of FMA and columnist for The FABRICATOR magazine. Kallage died of cancer Feb. 18.
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