Paerewa ASTM, GB/T6479-2013, GB/T150.2-2011, GB/T18984-2016 Rauemi A333/334Gr.1, A333/334 Gr.3, A333/334 Gr.6, Q345B/C/D/E , 09MnD, 09MnNiD, 16MnDG.
Paerewa JIS G3461 JIS G3462 Tono Kei te whakamahia mo te kohu me te whakawhiti wera i roto & waho ngongo Main Steel Tube Koeke STB340, STB410, STB510, STBA12, STBA13, STBA20, STBA22, STBA24.
ASTM A179——–Paerewa o te Hapori Amerika mo te Whakamatau me nga Rawawhakamahia mo te whakawhiti wera ngongo, condenser me nga taputapu kawe wera rite; Koeke Matua: A179ASTM A192——- Paerewa o American Society mo Whakamātautau & Rauemi kei te whakamahia mō te pēhanga teitei min.Wall matotoru tuitui waro maitai Kohua me te Superheater ngongo; Koeke Matua:A192