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Hardness Calculator
One can Calculate the Brinell Hardness No. and Vickers Pyramid No. from this file.
Hardness Conversion Charts
One can see the hardness conversion through this chart
Mandril Chart for Bend Rebend Test acc. to IS 1786-2008 & BS 4449-2005
Mandrils has to be selected acc. to above IS and BS std for Bend Rebend Test on Universal Testing Machine.
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Idealistic Operating Procedure for Rockwell Hardness Testing Machine
This is just general idea of how to operate most of available Analogue Rockwell Hardness tester. There may be slight changes in the ways in different models made by different manufacturers.
https://www.dropbox.com/s/pkpmhglqk1hjj4v/Rockwell%20Hardness%20Testing%20Machine.pdf