3.1 This sample preparation procedure may be used to prepare metallographic samples for Test Method B657 and Practice B390. It does not include all variations of sample preparation.

1.1 This guide prescribes a method for preparing cemented carbides for metallographic examination.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.