JIS

Stainless steel boiler and heat exchanger tubes (Foreign Standard)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2012

Steel heat exchanger tubes for low temperature service (Foreign Standard)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2013

Seamless steel tubes for drilling
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2019

Carbon steel square and rectangular tubes for general structure (Amendment 1) (Foreign Standard)
Amendment by Japanese Industrial Standard / Japanese Standards Association,