JIS seamless pipe

is steel pipe that has been created by JIS and meets certain performance requirements.
Manufacturers follow Japan Industrial Standards voluntarily.

JIS G3461,G3462 Carbon steel/Alloy steel tubes

Standard specifies the carbon steel tubes, hereinafter refered to as the tubes, used for exchanger heat on the inside and outside of the tube, such as water tubes, smoke tubes, , air preheater tubes, etc.

JIS G3445 Carbon steel tubes for machine structural purposes

is Japanese Industrial Standard specifies the carbon steel tubes, hereinafter referred to as the “tubes”, used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.

JIS G3429 Seamless steel tubes for high pressure gas cylinder

standard specifies the seamless steel tubes, hereinafter referred to as the tube used for the manufacture of seamless steel gas cylinders specified in JIS B8230 and JIS B8241.

JIS G3454,G3455,G3456 Carbon steel pipes

,G3455,G3456 Carbon steel pipes for pressure, high pressure and high temperature service

What is JIS?

The Japanese Industrial Standard (JIS) was formed by the Japanese Standards Association in 1945 in Chiyoda-ku, Tokyo. The standards developed by the organization apply to a wide variety of industrial services and technologies such as automobiles, metallurgy, ships and medical equipment.