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/E , 09MnD, 09MnNiD, 16MnDG.
Standard JIS G3461 JIS G3462 Application Imagwiritsidwa ntchito powotchera ndi kuwotcha kutentha mkati & kunja kwa chubu Main Steel Tube Maphunziro STB340, STB410, STB510, STBA12, STBA13, STBA20, STBA22, STBA24.
ASTM A179——–Standard of American Society for Testing & Equipmentamagwiritsidwa ntchito pa chubu kutentha exchanger, condenser ndi zida zofananira kutentha kufalitsa;Main Grade: A179ASTM A192——-Standard of American Society for Testing & Equipment imagwiritsidwa ntchito pa kuthamanga kwambiri kwa min. Wall makulidwe opanda mpweya wa carbon steel Boiler ndi Superheater chubu;Main Grade: A192