JIS G3505-2004 has been prepared based on ISO 6935-1 Steel for the reinforcement of concrete-Part 1: Plain bars and ISO 6935-2 Steel for the reinforcement of concrete-Part 2: Ribbed bars published in 1991 as the first edition with modify- ing some technical contents.
Portions sidelined or underlined with dots are the modified items of original International Standards. Comparison table is given in annex 1 (informative) with its explanations. This Japanese Industrial Standard specifies the round steel bar and deformed steel bar manufactured by hot rolling to be used for concrete reinforcement. However, those specified in JISG 3117 are excluded.