Introduce :
Standard: BS EN10219,JIS G3452-2004,JIS G3457-2005,GB/T 9711.1-1997,GB/T 3091-2001,GB/T 9711.3-2005,GB/T3901,DIN 1626,ASTM A53-2007,ASTM A671-2006,ASTM A672-2006,ASTM A252-1998,API 5L,BS,JIS,GB,DIN,ASTM,API
Grade: 16Mn,A53(A,B),St52,St52.4,Q235,Q345,A53-A369,ST35-ST52,Q195-Q345
Location:
China