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This table shows approximate hardness of steel using Brinell, Rockwell B and C and Vickers scales. These conversion charts are provided for guidance only as each scales uses different methods of measuring hardness. The right hand column show an approximate equivalent tensile strength.
Brinell and Rockwell Hardness Conversion Chart - These Conversion Tables presents data in the Rockwell A, B, C, D, E and F hardness range on the relationship among Brinell hardness, Vickers hardness, Rockwell and Shore Scleroscope hardness
27 Μαρ 2024 · Rockwell hardness is expressed in three scales: HRA: Uses a 60kg load and a diamond cone indenter, suitable for extremely hard materials like hard alloys. HRB: Uses a 100kg load and a 1.58mm diameter hardened steel ball, suitable for softer materials like annealed steel and cast iron.
The Rockwell scale is a hardness scale based on indentation hardness of a material. The Rockwell test measures the depth of penetration of an indenter under a large load (major load) compared to the penetration made by a preload (minor load). [1] There are different scales, denoted by a single letter, that use different loads or indenters.
MATERIAL HARDNESS CROSS-REFERENCE CHART - Chart showing a cross-reference of hardness spome common measurement scales, including ROCKWELL A, B, C and D, BRINELL, VICKERS and KNOOP.
The Rockwell hardness conversion calculator is the tool when you are looking to calculate or convert the hardness numbers across various scales. The hardness tests help evaluate a material's resistance to plastic deformation. You can do this by pressing a small ball or a cone onto the surface of the specimen.
The table below converts Brinell Hardness to Rockwell Hardness scales and vice versa, then compares those to the approximate tensile strength that those scales indicate.
