Blog - Cangzhou DoubleDragon Steel Pipe Co.,Ltd

The differences and advantages of 3lpe anti-corrosion steel pipes and ordinary steel pipes

Cangzhou DoubleDragon Steel Pipe Co,Ltd. May 24, 2024 No Comments

Many buyers don’t understand why ordinary steel pipes must be made of 3LPE? Doesn’t this undoubtedly increase the cost? The biggest difference between 3LPE anti-corrosion steel pipes and ordinary steel…

Three connection methods and characteristics of spiral welded steel pipes

Cangzhou DoubleDragon Steel Pipe Co,Ltd. May 24, 2024 No Comments

There are three main linking methods for spiral steel welded pipes. This article will introduce the three linking methods in detail. 1 Flange connection: Generally, flange connections are fast, easy…

Weld angle of spiral welded pipe.

Cangzhou DoubleDragon Steel Pipe Co,Ltd. May 24, 2024 No Comments

The helix angle of the spiral steel pipe weld is generally 50-75 degrees, so the synthetic stress at the spiral weld is 60-85% of the principal stress of the straight…

Methods to improve the life of steel pipes.

Cangzhou DoubleDragon Steel Pipe Co,Ltd. May 24, 2024 No Comments

In order to improve the life of the pipeline, the manufacturer will process its surface after it is produced, which is also a step in production. The four most commonly…

Manufacturing process and performance requirements of large diameter steel pipes.

Cangzhou DoubleDragon Steel Pipe Co,Ltd. May 24, 2024 No Comments

This article introduces the large-diameter steel pipe manufacturing process, steel pipe performance requirements and technological advancements in upstream processes. 1 Overview of steel pipe manufacturing methods 1.1 Manufacturing method of…

Analysis and solutions for misalignment of spiral welded pipes

Cangzhou DoubleDragon Steel Pipe Co,Ltd. May 24, 2024 No Comments

During the production process of spiral welded pipes, if the production process is unreasonable and the machine parameters are not set appropriately, deviation will occur, especially for large-diameter spiral welded…

How to conduct quality inspection of spiral steel pipe?

Cangzhou DoubleDragon Steel Pipe Co,Ltd. May 24, 2024 No Comments

Due to its superior performance, spiral steel pipes are now widely used in various aspects such as electric power industry, agricultural irrigation, water supply projects, petrochemical industry, chemical industry, urban…

Differences in welding process between spiral steel pipe and straight seam steel pipe

Cangzhou DoubleDragon Steel Pipe Co,Ltd. May 24, 2024 No Comments

Spiral steel pipes and straight seam steel pipes are both welded steel pipes. They are widely used in the transportation of liquids in various industries such as water supply, heating,…

The differences and advantages of 3lpe anti-corrosion steel pipes and ordinary steel pipes

Three connection methods and characteristics of spiral welded steel pipes

Weld angle of spiral welded pipe.

Methods to improve the life of steel pipes.

Manufacturing process and performance requirements of large diameter steel pipes.

Analysis and solutions for misalignment of spiral welded pipes

How to conduct quality inspection of spiral steel pipe?

Differences in welding process between spiral steel pipe and straight seam steel pipe

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