Standard
JIS/GB/ASTM/ASME/DIN/EN, API, API 5CT, API 5L, ASTM A106-2006, ASTM A53-2007, ASTM A335-2006, ASTM A333-2005, ASTM A179-1990, ASTM A199, DIN 1626, GB/T 3087, GB/T5310, JIS G3454-2007, JIS G3462-2004, JIS G3458-2005
Grade
10#-45#, 10#, 20#, 45#, API J55-API P110, API K55, ST35-ST52, ST37, ST52, ST45, ST35.8, ST35, STBA20-STBA26, STBA25, STBA22, STBA24