Introduce :
Standard: BS 1387,BS EN10296,BS 1139,BS 6363,BS 3059-2,ASTM A106-2006,ASTM A213-2001,ASTM A312-2001,ASTM A53-2007,ASTM A210-1996,ASTM A182-2001,ASTM A179-1990,API 5CT,API 5L,API 5DP,BS,ASTM,API
Grade: Q235,Q345,Q195,Q215,Q195-Q345
Location:
China