標準
Api, Api 5CT, Api 5L, Api 5DP, Astm A106-2006, Astm A179-1990, Ansi B36.10M-2004, Din 17175
グレード
10 #-45 #, 10 #, 20 #, A53-A369, A53 (a、b), A106 (b、c), A179-C, ST35-ST52, ST37, ST42, ST35.8, St42-2, St45-8, Api J55-API P110, Api J55, Api K55, Api N80, Api L80, Api P110