![]() ![]() Parentheses are outsite the range (HB>630) This limit is set to avoidĮrrors introduced by the deformation of the ball indenter itself. ![]() ![]() The modulus of elasticity and the depth of indentation The accuracy of the conversion depends on the accuracy of the provided data and the resulting curve-fits.įundamental property but a combination of properties, and varies with HRB = Rockwell Hardness, HB = Brinell hardnessġ)Hardness Conversion Calculator for metalsĪccording to ASTM E140 - 12,Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness. ![]() Hardness Conversion Calculator are for Austenitic Stainless Steel and formulas as per ASTM E140-12. The Rockwell B values are superimposed on this table using an approximation from ASTM E140 Table5, which compares Rockwell B and Brinell. The result will be displayed on Hardness Conversion Calculator. Hardness Conversion Calculator ASTM E140 Brinell Vickers Rockwell Knoop ScleroscopeĮnter the value, select the conversion and click on calculate. This table shows approximate hardness of steel using Brinell, Rockwell B and C and Vickers scales. ![]()
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