This standard specifies the method for measuring the hardened layer depth (hereinafter referred to as hardened layer depth) due to carburizing and quenching of steel. An auxiliary method for verifying the effective case depth is specified in Annex JA.
JIS G 0557:2006 Referenced Document
JIS B 0601 Geometrical Product Specifications (GPS).Surface texture: Profile method.Terms, definitions and surface texture parameters*, 2013-03-21 Update
JIS G 0201 Glossary of terms used in iron and steel (Heat treatment)*, 2023-05-22 Update
JIS G 0202 Glossary of terms used in iron and steel (Testing)*, 2013-06-20 Update
JIS Z 2244 Vickers hardness test -- Test method*, 2009-01-20 Update
JIS Z 2251 Knoop hardness test -- Test method*, 2009-01-20 Update
JIS G 0557:2006 history
1970JIS G 0557:2019 Methods of measuring case depth hardened by carburizing treatment for steel
2006JIS G 0557:2006 Methods of measuring case depth hardened by carburizing treatment for steel
1996JIS G 0557:1996 Methods of measuring case depth hardened by carburizing treatment for steel