This standard is made by hot processing such as hot rolling and hot forging, and usually further processes such as forging, cutting, cold drawing, quenching/tempering, normalizing, carburizing and quenching, etc. Specifies structural steel materials (hereinafter referred to as steel materials) that are heat-treated and have guaranteed hardenability mainly for use in mechanical structures.
JIS G 4052:2003 history
2023JIS G 4052:2023 Structural steels with specified hardenability bands
2016JIS G 4052:2016 Structural steels with specified hardenability bands
2008JIS G 4052:2008 Structural steels with specified hardenability bands
2003JIS G 4052:2003 Structural steels with specified hardenability bands
1979JIS G 4052:1979 Structural steels with specified hardenability bands