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Importance of Rockwell Hardness Tester

Industries make use of a variety of metallic materials for developing their products and they need to know the hardness of these materials before they are used in the actual manufacturing process. The instrument that is used to test the hardness of these metallic materials is known as Rockwell hardness tester and this article describes the importance of this tester. Read more here : http://www.internetbillboards.net/2015/03/13/importance-of-rockwell-hardness-tester/