Introduce :
Standard: BS 1387,BS EN10025,BS EN 39,BS 31,BS EN10217,JIS G3454-2007,GB 3087-1999,GB 13296-2007,GB/T 3091-2001,GB/T 13793-1992,GB/T3639,GB 5130,ASTM A53-2007,ASTM A53M-2007,ASTM A252-1998,BS,JIS,GB,ASTM
Grade: 10#,20#,45#,A53(A,B),A269,A200,A335 P23,St52,St45-4,ST37.4,STB35,Q235,Q345,Q195,Q215,10#-45#,A53-A369,ST35-ST52,STB35-STB42,Q195-Q345
Location:
China