Introduce :
Standard: BS EN10217,JIS G3461-2005,JIS G3454-2007,JIS G3456-2004,JIS G3457-2005,GB/T 8163-1999,GB/T 8162-1999,DIN 1626,DIN 1629/4,DIN 17175,ASTM A106-2006,ASTM A312-2001,API 5L,BS,JIS,GB,DIN,ASTM,API
Grade: 10#,20#,A53(A,B),API J55,API K55,API L80,API P110,St37,St35.8,STB35,STB42,STPG42,10#-45#,A53-A369,API J55-API P110,ST35-ST52,STB35-STB42
Location:
China