This standard specifies the method for testing stepped scratches on rolled or forged steel using the naked eye or a magnifying lens of 10x or less, and the evaluation method for nonmetallic inclusions using macro testing.
JIS G 0556:1998 history
2022JIS G 0556:2022 Method of macro-streak-flaw test for steel
2014JIS G 0556:2014 Method of macro-streak-flaw test for steel
1998JIS G 0556:1998 Method of macro-streak-flaw test for steel
1977JIS G 0556:1977 Method of macro-streak-flaw test for steel