API, ASTM, DIN, JIS, API 5L, ASTM A312-2007, ANSI A210-1996, ANSI A182-2001, ASTM A53M-2007, ASME B36.10M-2004, ASME B36.19M-1985, DIN 1626, DIN 1629/3, DIN EN 10208-1-1998, DIN 1630, DIN 2448, DIN 2444, JIS C8305-1999, JIS G3101
Grade:
10#-45#, 10Cr9Mo1VNb, 16mn, API J55-API P110, Q195-Q345, ST35-ST52, STB35-STB42, 10#, 20#, 45#, 10Cr9Mo1VNb, 16mn, API J55, API K55, API N80, API L80, API P110, Q235, Q345, Q215, ST37, STB35