มาตรฐาน
API, API 5CT, API 5L, API 5DP, ASTM A106-2006, ASTM A199, DIN 1626, DIN 1629/4, DIN 17175, JIS G3461-2005, JIS G3454-2007, JIS G3456-2004, BS 1387
เกรด
10 #-45 #, 20 #, 45 #, 16mn, 16mn, Q195-Q345, Q235, Q345, A53-A369, A53(A,B), A106(B,C), ST35-ST52, ST37, ST42, ST45, ST35.8, St42-2, St45-4, STPG42, STPG42, STB35-STB42, STB35