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Circular Tube In Hot Pin
Jan 29, 2018

brief introduction


Circular steel tube


Representation method


Size specifications for round tubes (such as diameter or length) and inner diameter and wall thickness, the size of a wide range of circular pipe from the capillary of small diameter to the diameter of a few meters.


Main uses


Pipe can be used in pipeline, thermal equipment, machinery industry, oil geological drilling, container, chemical industry and special use.


The classification and manufacturing process of the folded editors


Folding classification


According to the method of production, it can be divided into seamless pipe and welded pipe.


Manufacturing process of folded seamless steel pipe


Tube - check - stripping - check - heating: perforation - pickling grinding - - Lubrication dry - Welding - Cold - solution - - pickling pickling passivation - Test


Manufacturing process of folded welded steel pipe


Strip steel - Inspection - shear - sizing - qualitative - Welding - smoothing (seamless) - Test - Test


The folding edit section represents the material


Folded seamless steel pipe material


10#, 20#, 35#, 45#, 16Mn, 27SiMn, 20G, 40Cr, etc.


Material of folded welded steel pipe


Q195A, Q215A, Q235A, Q345A, etc.