JIS G3461 is a JIS standard refers to boiler tubes,heat exchanger tubes, condenser tubes etc. This steel pipe is used in carbon steel pipes for tube heat-exchange inside and outside, such as boiler water steel pipe, superheater tube, condenser tube and more.However, it is not applicable to the steel tubes for heating furnace and steel heat exchanger tubes for low temperature service.The size range of JIS G3461 boiler tube(mm):Outer Dimensions: 19.05mm-168.3mmWall Thickness:2.0mm- 14 mmLength: max 19000mmApplication of JIS G3461 seamless tubes:used for exchanging heat on the inside and outside of the tube, such as water tubes, smoke tubes, superherater tubes, air preheater tubes, etc. of boilers, and heat exchanger industries.it is not applicable to the steel tubes for heating furnace and those for heat exchangers for low temperature service.The main products of steel / steel grade:JIS G3461 STB340JIS G3461 STB410JIS G3461 STB510
