Brinell Hardness Test was the first used and is a widely accepted hardness test. it is most commonly used to test materials that have a structure that is too coarse or that have a surface that is too rough to be tested using another test method, e.g., castings and forgings using very high-test loads. Metallurgical Supply Company (METSUCO) has been a leading supplier of Brinell hardness testing machines and blocks for over 30 years. We serve not only industries such as oil and gas, aerospace, automotive, and heavy manufacturing, but also universities and quality testing labs