1.1 This standard (Part 2) prescribes the step machined test method for determining the total number and the distribution of non-metallic inclusions revealed by machining and visible on the longitudinal surfaces of a cylindrical stepped test piece.
IS 10138 Pt.2-1983 history
1984IS 10138 Pt.2-1983 Macroscopic method for determination of non-metallic inclusion content in forged steels Part 2 Procedure Machining test method