JIS G 4311 11th Edition, February 21, 2011
Heat-resisting steel bars and wire rods
Includes all amendments and changes through Reaffirmation Notice , October 20, 2015
Additional Comments: ENGLISH
Published By:Japanese Standards Association (JSA)
This Standard specifies heat-resisting steel bars (round bars, square bars, hexagonal bars and flat bars, hereafter referred to as "bars" generically) and heat-resisting steel wire rods (hereafter referred to as "wire rods").
The semi-finished products and forgings are out of scope of this Standard; however, clause 5 of this Standard may apply to the chemical compositions thereof.
NOTE: The International Standards corresponding to this Standard and the symbol of degree of correspondence are as follows :
ISO 4955 : 2005 Heat-resistant steels
ISO 683-15 :1992 Heat-treatable steels, alloy steels and free-cutting steels - Part 15 : Valve steels for internal combustion engines (Overall evaluation: MOD)
The symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/IEC Guide 21-1.