This experiment is an experiment to measure the size of the grain steel. C steel Medium by means of Comparison method, Planimetric (Jeffries) intercept method, method to compare data that the method in the measurement of grain size all 3 methods are different, however, in order to be used as the primary data or in the measurement methods for growing grain and a principle in the data or methods to measure grain size suitable to the type of material. To bring the correct information analyzed more completely.
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