This Part of BS 4656 specifies the surface texture for the practical test pieces contained in various other Parts of BS 4656 and which are listed in table 1.
This Part of BS 4656 is applicable to Parts 1, 2, 3, 4, 5, 6, 7, 8, 9, 21, 22, 23, 24, 28, 29, 30, 31, 32, 35, 36 and 37.
BS 4656-38:1995 history
1995BS 4656-38:1995 Accuracy of machine tools and methods of test - Specification for surface finish of test pieces