Material and Standard

Materials: Q235 Series, Q345 Series, No. 20 and so on, for structural, fluid transport and manufacturing purposes longitudinal submerged welded steel pipes; and below X52 for line and pile steel pipes.

Available Standards: GB/T 6728－2002,SY/T 5040-2000,GB/T 3092－1993,GB/T 9711.1-1997,GB/T13793-1992,API 5L,ASTM A106 B and Technical Agreement of two sides.

 

size ， OD 25-1455mm

           WT 2-40mm