For Identification of material grade
- Scope - This Japanese Industrial Standard specifies the method of Spark test hereinafter referred to as the "test",withgrinder for ingots,steel billets,steel material and other steel product ,hereinafter referred to as the "test specimens"
- Purpose - The purpose of the test is to perform an estimation of the class of steel or a discrimination of foreign materials on the test specimen.
- Definitions -
For the purpose of this standard the following definitions apply :
(1)Estimation of class of steel when the test is carried out on the test specimen of which the class of steel is unknown, it means to estimate what class of steel the test specimen is.
(2)Discrimination of foreign materials when the test is carried out on the test specimen which is suspected to contain the foreign material is contained.