Standard
A106-2006 ASTM, A53-2007 ASTM, A335-2006 ASTM, 1387 BS, 1139 BS, BS EN 39, BS EN10219, GB/T 3091-2001, GB/T8162, Gb/t8163, G3456-2004 JIS, G3446-2004 JIS, API, API 5L
Grado
10 #-45 #, 20 #, 45 #, A53-A369, A53(A,B), A106, lettera B,C), Q195-Q345, Q235, Q345, Q195, Q215, ST35-ST52, ST37, ST52, ST35.8, STBA20-STBA26, STBA22, 16mn, 16mn, STPA22-STPA26, STPA22, STB35-STB42, STB35