Information on the most widely used ASTM standards within the materials testing industry
Hardness Tester
Rockwell hardness is a measure of the resistance of a material to permanent indentation under a specific static load. It is defined based on the depth of indentation produced by a penetrator (either a diamond cone or a hardened steel ball) under two sequential loads: an initial minor load and a major load.
UnitedTest Brinell Hardness tester that shows the largest indentation among all the hardness tests is able to reflect the comprehensive features of the material ,and the test is unaffected by the organization microscopic segregation and the compositional unevenness of the specimen; and hence it is a hardness testing with high precision.
Vickers hardness (HV) quantifies a material’s resistance to permanent deformation from a diamond indentor. It is defined as the ratio of the applied test load to the surface area of the resulting indentation. The Vickers hardness value is expressed as "HV" followed by the load (e.g., HV10 for a 10 kgf load) and is independent of the material’s hardness—unlike Rockwell, it uses a single indentor design for all materials.
Universal Hardness Tester Combine the Rockwell, Superficial Rockwell, Vickers and Brinell testing capability.
UnitedTest supply the reference hardness blocks, indenters, hardness ball etc.,
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