Tiêu chuẩn
Api, API 5L, A213-2001 ANSI, BS 1387, BS 1139, CS 3059-2, DIN 1626, DIN 1630, GB 5310-1995, GB 3087-1999, GB 13296-2007, GB 18248-2000, GB 6479-2000, GB 5130, C8305-1999 JIS, JIS g3429
Lớp
10 #-45 #, 10 #, 20 #, 45 #, 10cr9mo1vnb, 10cr9mo1vnb, 16mn, 16mn, A53-A369, A53(A,B), A333, A335 P9, Q195-Q345, Q235, Q345, Q195, Q215, ST35-ST52, St37, St42, St35