Standart
API, API 5L, ASTM A106-2006, ASTM A53-2007, ASTM A53M-2007, BS 1387, BS 1139, BS EN10219, DIN 2444, GB/T 3091-2001, GB/T 9711.2-1999, GB/T3901, JIS G3444-2006
Sınıf
10 #-45 #, 20 #, 16mn, 16mn, A53-A369, A53(A,B), A106(B,C), Q195-Q345, Q235, Q345, Q195, Q215, ST35-ST52, ST42