This Annex to Appendix I is intended to be used in conjunction with JIS 8 2311: 1997. This annex specifies the types, shapes, dimensions, markings, and reports of pipe fittings with special shapes that are not specified in 3. (Type head). For other matters, the provisions of the main body shall apply.
JIS B 2311 AMD 1:2001 history
2024JIS B 2311:2024 Steel butt-welding pipe fittings for ordinary use
2015JIS B 2311:2015 Steel butt-welding pipe fittings for ordinary use
2009JIS B 2311:2009 Steel butt-welding pipe fittings for ordinary use
1997JIS B 2311:1997 Steel butt-welding pipe fittings for ordinary use