1) Application: Water walls, economizers, superheater and steam tube manufacturing under different temperature

2) Standard and Material:
ASTM A179/A179M -----low carbon steel
ASTM A192/A192M-----low carbon steel
ASTM A210/A210M -----A-1, C
ASTM A213/A213M -----T2, T5, T11, T12, T22, T91

BS3059 -----243, 320, 360, 440
DIN17175----- St.35.8, St.45.8, etc.
JIS G3461-----STPL340, STB410, STB510
JIS G3462-----STBA12, STBA20, STBA22, STBA24

3) Specification Range:
O.D.8--114.3, W.T.0.8--12 (mm)