Tiêu chuẩn
SA213-T22 ASME, Api, API 5L, B36.10M-2004 ANSI, B36.10M-2004 ASME, B36.19M-2004 ASME, B36.19M-1985 ASME, BS 1387, Din 17175, G3452-2004 JIS, JIS g3429
Lớp
10 #-45 #, 10 #, 20 #, 16mn, 16mn, Q195-Q345, Q235, Q345, Q195, Q215, ST35-ST52, St37, St52, ST45, St35, A53-A369, A213