Company News

• 2025-04-09

  Difference between steel pipe pile and steel sheet pile

  In construction and civil engineering, steel piles are essential elements that provide stability and support to structures. Among the most common types of steel piles are steel pipe piles and steel sheet piles. Although both serve to support foundations and structures, they have different characteristics, installation methods, and applications. In this article, we will explore the key differences between these two types of steel piles.

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• 2025-04-09

  What is API 5L Standard

  In the oil and gas industry, the safety and reliability of pipelines are of vital importance. In order to ensure the uniform standards of oil and gas pipelines worldwide, the American Petroleum Institute (API) has developed a series of standards, among which API 5L is one of the core standards for steel pipes. So, what is API 5L? Why is it important? What fields does it apply to? This article will analyze API 5L in depth.

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• 2025-04-08

  Advantages and disadvantages of galvanized steel pipe

  Galvanized steel pipe is a kind of pipe material widely used in construction, machinery, chemical industry and other fields. Its manufacturing process and production method play a vital role in the quality and performance of the product. The surface of the galvanized pipe is coated with a layer of zinc, which can effectively protect the steel from corrosion. It is usually used in outdoor buildings, such as fences and handrails, or some indoor pipes. In practical applications, understanding the advantages and disadvantages of galvanized steel pipes can help us choose the right materials according to needs, thereby improving the quality and efficiency of the project. Galvanized steel pipes have both unique advantages and certain disadvantages.

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• 2025-04-08

  MS Rectangular Tube Meaning

  MS Rectangular Tube refers to Mild Steel rectangular hollow sections. These tubes are made from low-carbon steel, providing strength and versatility at a reasonable cost. Low carbon steel (with less than 0.25% carbon content) does not harden easily, making it highly workable and user-friendly. Because of its low carbon content, mild steel can be easily welded and shaped into various pipe forms and structural sections. Known for their rectangular shape and hollow structure, MS tubes are widely used in construction, engineering, fabrication, and industrial applications.

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• 2025-04-07

  API Spec 7-1 Drill Collar Specifications

  Drill collars are auxiliary equipment used at the bottom of the drill string and are key components of the drill tool assembly. The main features of drill collars are thick wall thickness and high gravity. The wall thickness is generally 38~53mm, which is equivalent to 4~6 times that of the drill pipe. Due to the special working environment, the drill collar exerts pressure on the drill bit during the rock breaking process and plays a leading role in straight hole drilling. It needs to have good rigidity.

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• 2025-04-07

  Standards and Characteristics of Ductile Iron Pipes

  What is a ductile iron pipe? As the name implies, ductile iron pipe is a type of cast iron pipe. In addition to ductile iron pipe, other cast iron pipe categories include gray cast iron pipe, cement cast iron pipe, etc. Ductile iron pipe refers to a water supply pipe formed by centrifugal casting after molten iron in blast furnace is spheroidized. Due to the spheroidization treatment, ductile iron pipe itself has good plasticity, toughness and mechanical properties. It is widely used in municipal pipe network, water supply pipe network and large-scale water conservancy projects. It is an advantageous pipe in the field of water supply.

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• 2025-04-03

  SSAW Steel Pipe Rust Removal and Preservation Method

  Now, with the continuous development of China's economy, the country encourages the development of the energy industry. At this time, a large number of welded pipes will be used. When we use welded pipes, we need to maintain and maintain them. When we maintain and rust the spiral welded pipes, what should we do?

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• 2025-04-03

  Why does precision seamless pipe rolling cause cracking?

  Precision seamless pipes are widely used in high-precision industries such as automobiles, aviation, and hydraulics, and their quality requirements are extremely strict. However, during the production process, rolling cracking problems often occur, affecting the strength and service life of the pipe. This article will analyze the main causes of rolling cracking of precision seamless pipes and propose corresponding preventive measures.

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• 2025-04-02

  Differences Between API 5D and API 5DP

  In the oil and gas industry, choosing the right drill pipe specification is critical to ensuring the safety and efficiency of drilling operations. The American Petroleum Institute (API) has established several standards for drill pipe manufacturing, including API 5D and API 5DP. These two specifications are closely related, but apply to different operational needs. Understanding the difference between API 5D and API 5DP is important for selecting the right pipe based on the conditions of the drilling environment.

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• 2025-04-02

  API 5DP

  API 5DP is a crucial standard in the oil and gas industry that specifies the technical requirements for steel drill pipes used in drilling and production operations. It covers the requirements for upset ends, tool joint welding, and various performance aspects, ensuring drill pipe quality and durability to meet the demanding conditions of drilling environments.API 5DP standard specifies the delivery technical conditions for three product specification levels (PSL-1, PSL-2 and PSL-3) of steel drill pipe with pipe end upset and drill pipe joint butt welding for drilling and production operations in the petroleum and natural gas industry. The requirements of PSL-1 form the basis of this international standard. Appendix G specifies the technical requirements for different levels of PSL-2 and PSL-3.

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• 2025-04-01

  Application of galvanized steel pipe piles

  Galvanized steel pipe piles are a common type of steel pipe piles. They are coated with a layer of zinc on the outer surface of the steel pipe to enhance its corrosion resistance, especially when used in soil or water environments. The galvanized layer can provide anti-corrosion protection and extend the service life of steel pipe piles. Galvanized steel pipe piles are widely used in foundation support and load-bearing structures in projects such as bridges, seawalls, building foundations, roads, railways, etc.

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• 2025-04-01

  Precautions for Producing Small Diameter Seamless Steel Pipes

  Generally speaking, the seamless steel pipes used in daily life are of normal caliber, and small-diameter seamless steel pipes are only used in some special places. Today, I will introduce you to the relevant knowledge of small-diameter seamless steel pipes, which will help you to use this kind of pipe better in the future. Generally speaking, seamless steel pipes with small outer diameters are collectively referred to as small-diameter seamless steel pipes, but there is still a specific range. Generally, steel pipes with diameters below 89mm and above 4mm can be called small-diameter seamless steel pipes.

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