... package10.Inspection:With hydraulic testing.eddy current,infrared test11.Usage:gas or water delivery. Cangzhou Guyuan Steel Pipe Co.,Ltd We ... :MaterialQ195 Q235 Q345 Gr.A,Gr.B,X-42,X46,X-52,X-56,X-60 etc.SurfaceBared/black painted/galvanized/or ... used for structure,machinery,liquid transportation,line pipe,casing and construction,line pipe,casing and construction..Production Capacity20,000 Ton ...