Standaard
Api, Api 5ct, Api 5l, Astm A53-2007, Astm A53M-2007, Astm A252-1998, Gb/t 9711.1-1997, Gb/t 3091-2001, Jis g3466, Bs en10296
Cijfer
A53-A369, A53 (a, b), A106 (b, c), A335 p9, A335 p12, 16mn, 16mn, ST35-ST52, St37, St37-2, St35, Q195-Q345, Q235, Q345, Q195, Q215