Standard ASTM, GB/T6479-2013, GB/T150.2-2011, GB/T18984-2016 Material A333/334Gr.1, A333/334 Gr.3, A333/334 Gr.6, Q345B/C/D/E, 09MnD, 09MnNiD, 16MnDG.
Standard JIS G3461 JIS G3462 Application It is used for boiler and heat exchanger inside & outside tube Main Steel Tube Grades STB340, STB410, STB510, STBA12, STBA13, STBA20, STBA22, STBA24.
ASTM A179——–Standard of American Society for Testing & Materials
is used for tubed heat exchanger,condenser and similar heat conveying equipments;Main Grade:A179
ASTM A192——-Standard of American Society for Testing & Materials is used for high pressure min.Wall thickness seamless carbon steel Boiler and Superheater tube;Main Grade:A192