JIS

Stainless steel pipes (Amendment 1) (Foreign Standard)
Amendment by Japanese Industrial Standard / Japanese Standards Association,

Steel pipes for low temperature service (Foreign Standard)
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2018

Carbon steel tubes for boiler and heat exchanger
standard by Japanese Industrial Standard / Japanese Standards Association, 01/01/2019

Alloy steel tubes for boiler and heat exchanger (Amendment 1) (Foreign Standard)
Amendment by Japanese Industrial Standard / Japanese Standards Association,