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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.