JIS

Carbon steel tubes for cylinder barrels (Foreign Standard)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2018

High strength steel tubes for steel tower (Amendment 1) (Foreign Standard)
Amendment by Japanese Industrial Standard / Japanese Standards Association,

Carbon steel tubes for building structure (Foreign Standard)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2014

Polyethylene coated steel pipes -- Part 1: External 3 layer extruded polyethylene coated steel pipes (Foreign Standard)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2018