JINBAICHENG Metal Materials Co., Ltd

Professional China Galvanized Pipe - Q235 Welded Steel Pipe – JINBAICHENG

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Professional China Galvanized Pipe - Q235 Welded Steel Pipe – JINBAICHENG Detail:

Classification

General welded pipe

General welded pipe is used to transport low-pressure fluid. Made of Q195A, Q215A, Q235A steel. It can also be made of other mild steel that is easy to weld. Steel pipes need to be subjected to water pressure, bending, flattening and other experiments, and there are certain requirements for surface quality. Usually the delivery length is 4-10m, and fixed-length (or double-length) delivery is often required. The specifications of welded pipes are expressed by the nominal diameter (mm or inches). The nominal diameter is different from the actual. Welded pipes are divided into two types: ordinary steel pipe and thickened steel pipe according to the specified wall thickness. The steel pipe is divided into two types with thread and without thread according to the pipe end form. 6-17 is the size of welded steel pipe.

Longitudinal welded pipe

Straight seam welded pipe is a general term. It is produced by steel strip. The pipes that are welded by high frequency welding equipment are called straight seam welded pipes. The longitudinally welded pipe made of Q235B coil is Q235 longitudinally welded pipe (the name is given because the welded part of the steel pipe is in a straight line). Among them, according to different purposes, there are different back-end production processes. (It can be roughly divided into scaffolding pipes, fluid pipes, wire sleeves, bracket pipes, guardrail pipes, etc.)

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Welded pipe2
Welded pipe5
Welded pipe3

Forging steps

For the die forging of Q235B longitudinally welded pipe, the heated blank is placed inside the die forging of a fixed forging equipment.
[1] The basic process of die forging process: die forging process: cutting, heating, forging, forging, stamping, cutting edge, quenching and tempering shot peening. Common processes are overturning, stretching, bending, stamping, and forming.
[2] Common forging equipment Forging equipment commonly used hammers, hot die forging presses, horizontal forging machines and friction presses.

In layman’s terms, forged Q235B longitudinally welded pipes have better quality, usually produced by forging, with fine crystal microstructure, high strength, and of course expensive. Whether it is casting Q235B longitudinally welded pipe or flange forging Q235B longitudinally welded pipe is a common method, manufacturing, see the strength requirements of the parts that need to be used, and the requirements are not high, you can also use Q235B longitudinally welded pipe.
Cut off the left flange directly to deal with the internal and external volume diameter and thickness of the disk, then bolt holes and water treatment. This produces a Q235B straight seam welded pipe called a cut flange flange, so that the maximum diameter and the width of the dielectric plate are limited.


Product detail pictures:

Professional China Galvanized Pipe - Q235 Welded Steel Pipe – JINBAICHENG detail pictures

Professional China Galvanized Pipe - Q235 Welded Steel Pipe – JINBAICHENG detail pictures

Professional China Galvanized Pipe - Q235 Welded Steel Pipe – JINBAICHENG detail pictures


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