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BS 4175 1989 Edition, July 31, 1989
Complete Document
Superseded By: BS EN 10109-1
Methods for Superficial Hardness Test (Rockwell Method) and for Verification of Superficial Hardness Testing Machines (Rockwell Method)
Additional Comments: W/D S/S BY BS EN 10109-1, -2 & -3
Page Count:18
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Method of test for metals at room temperature. Also, methods for direct and indirect verification of the accuracy of a testing machine.