Painted Steel Pipe – Head To Our Team Next To Seek Out Further Specifics..

Pre-bending and sizing are definitely the main steps in the spiral tube forming process. The main reason for pre-bending is to solve the rebound problem of the tube blank, because the size of the rebound directly affects the intrinsic quality of the steel tube; the primary purpose of the sizing is to have a better diameter in the tube, since the diameter control is definitely the main quality index of the ERW Galvanized Steel Pipe. one. An appropriate match between pre-bending and sizing must get an ideal steel pipe blank.

The following is a short discussion on the formation process and characteristics of submerged arc welding of galvanized spiral steel pipes with 630*3 ribs. The principle of submerged arc welding: Submerged arc welding is the usage of arc thermal energy welding, and manual welding rod arc welding is unique: the submerged arc welding in the welding wire is exposed, there is not any coating, submerged arc welding is definitely pre-paved welding flux to become welded The submerged arc welding wire extends into the flux, and the arc is created beneath the flux. The formation procedure of the submerged arc welding is really that the welding wire is in touch with the workpiece.

Following the start button is pressed, the welding wire and also the workpiece are energized, and also the welding wire is returned. Withdrawing, the arc ignites, the welding carriage advances, the welding wire is continuously conveyed downwards, the arc is maintained to burn beneath the flux layer, as well as the welding pool is created underneath the arc. Around the arc, the flux melts to form a cavity. The cavity as well as the pool carry on and advance, and also the metal behind the pool solidifies to create a continuous weld. This process is performed beneath the flux, so we can’t view it with all the human eye alone. It may be seen with X-ray photography.

Considering that the spiral steel pipe adopts the welding technology of submerged arc automatic welding, besides this sort of high production efficiency; the production auxiliary time is less, time for changing the welding rod is saved; the welding conditions are clean and no spatter, and also the cleaning time is saved; the quality of the welding seam is high. It also supplies the necessary conditions for that delivery in the spiral welded pipe plant, in order that the production duration of the larger spiral steel pipe is guaranteed, therefore it is still commonly used.

1. The stress-bearing fluid is primarily employed for the X46 welded pipe as the tube blank, and is often spirally formed in temperature. It really is utilized for welding with double-sided submerged arc welding and is also mainly utilized for spiral seam welded steel pipe devices for pressure fluid transportation. The capability from the steel pipe to resist pressure is strong and the welding performance can also be great. After a variety of rigorous scientific inspections and tests, the use situation is relatively safe and reliable. The solid diameter in the steel pipe is large, the transmission efficiency is also high, also it can effectively save the investment of laying pipelines. It is actually mainly employed for pipelines that transport oil and natural gas.

2. General low-pressure fluid transport is primarily hot-rolled steel coiled tube blanks, often temperature spiral molding, using high-frequency lap welding technique for general low-pressure fluid conveying spiral seam high-frequency welded steel pipe. Welding steel with spiral welds.

3. The hot rolled steel strip is used since the tube blank, which can be often formed by spiral molding and consists of double-sided submerged arc welding or high-frequency welded steel pipe. It really is employed for the xqrkab pile steel pipe for civil building structures, wharves, and bridges.

4. The overall low-pressure fluid transport is hot rolled steel strip coiled tube, regular temperature spiral molding, using double-sided automatic submerged arc welding or single-sided welding method for water, gas, air and steam as well as other general low-pressure fluid transport Submerged arc welded steel pipe.

5. The pressure fluid transport relies on the hot-rolled steel strip for tube blanks, regular temperature spiral molding, high-frequency lap welding method used for pressure fluid transmission spiral seam high-frequency welding steel pipe device. The steel tube has strong pressure bearing capacity and good plasticity, which facilitates welding and processing. After many different strict and scientific inspections and tests, using safe and reliable, large diameter steel pipe, transmission efficiency can also be high, and can effectively save the laying pipeline investment. It is actually mainly utilized for the laying of pipelines connecting petroleum, natural gas, etc.

Rise Steel consisted of subsidiaries of Cangzhou Spiral Steel Pipe Factory, Hebei All Land Steel Pipe Factory, Hebei Yuancheng Steel Pipe Factory, Cangzhou Xinguang Thermal Insulation Pipe Factory .The company is located in Tianjin port, the largest comprehensive port and an important foreign trade port, engaging in the management of steel pipe production nearly 20 years.The company is a high-tech enterprise integrated with independent production and sales business.We are committed to the concept of “innovation, technology and service”.

Contact Us:
Address: APT. 1202 BLDG. B Kuang Shi Guo Ji Plaza, Tianjin Free Trading Testing Zone (Business Center), Tianjin, China.
Hamer Chen:[email protected]
Eason Gao: [email protected]
Miao lin: [email protected]
Amy Shi: [email protected]
Hamer Chen:+86 18202505824
Eason Gao: +86 18622403335
Miao lin: +86 13251845682
Amy Shi: +86 18630426996


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