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Installation precautions for welded steel pipes
With the continuous advancement of high-quality strip steel rolling technology, along with improvements in welding and inspection techniques, the overall quality and performance of welded steel pipes have significantly improved. These developments have expanded the variety and specifications available, leading to the gradual replacement of seamless steel pipes in numerous applications. Compared to seamless pipes, welded pipes offer the advantages of lower cost and higher production efficiency. So, what should be taken into consideration during the installation of welded steel pipes? Below are the key aspects.
2025-04-23
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Key steps and main equipment for processing large-diameter straight seam steel pipes
As the demand for energy infrastructure expands—especially with major national projects like the West-East Gas Transmission Project—the role of domestically produced large-diameter straight seam submerged arc welded (LSAW) steel pipes has become increasingly prominent. These pipes are crucial for high-pressure oil and gas transport, and their quality directly impacts pipeline safety and performance. Below are the core processing steps and main equipment involved in manufacturing high-precision LSAW steel pipes.
2025-04-22
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How to judge the quality of spiral steel pipes?
When selecting spiral steel pipes for engineering or industrial purposes, ensuring their quality is crucial for safety, durability, and performance. Below are several practical methods to help assess the quality of spiral steel pipes.
2025-04-22
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Key points for purchasing 304 stainless steel plates
304 stainless steel plate is one of the most widely used and versatile stainless steels. It’s an austenitic stainless steel typically containing 16% to 18% chromium and up to 8% to 10.5% nickel. Once you understand the material characteristics, the next step is to learn how to choose high-quality 304 stainless steel plates. With a bit of knowledge and attention to detail, you can confidently make the right purchase and avoid common pitfalls.
2025-04-21
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Carbon steel welded pipe HSN code used for export and import
The HSN (Harmonized System of Nomenclature) is a globally standardized coding system used by customs authorities to classify goods in a uniform manner. It plays a vital role in streamlining international trade, facilitating commodity classification, customs clearance, taxation, and trade statistics. For carbon steel pipes, accurate identification of the HSN code is essential to ensure smooth and compliant import and export procedures. The HSN code typically consists of ten digits, each segment representing specific attributes of the product. Correctly assigning the HSN code not only helps customs officials identify goods quickly but also supports efficient trade operations and regulatory compliance.
2025-04-21
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Common processing methods for non-standard straight seam welded steel pipes in industry
In industrial applications, non-standard straight seam welded steel pipes often require secondary processing to meet specific performance or dimensional requirements. This article will briefly introduce common processing methods for non-standard straight seam welded steel pipes in industry.
2025-04-18
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Places for laying carbon steel plates
Carbon steel plates are widely recognized for their excellent mechanical strength, hardness, and wear resistance, making them an essential structural material across various industries. Let’s take a closer look at their applications, laying scenarios, and material characteristics.
2025-04-18
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Surface treatment technology of carbon steel welded pipes
The surface treatment of carbon steel welded pipes plays a vital role in improving their corrosion resistance, extending service life, and enhancing adhesion for coatings or further processing. Proper surface treatment not only ensures the quality and durability of the pipes but also contributes to the overall performance of the pipeline system in harsh environments. Below is an overview of the commonly used surface treatment technologies for carbon steel welded pipes.
2025-04-17
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How to manage the safety of spiral steel pipes?
To effectively manage the safety of spiral steel pipes and address the issue of excessive misalignment at the pipe ends (nozzles), it is essential to implement a series of preventive and corrective measures within the scope of quality management. Proper alignment is critical to maintaining the structural integrity and performance of spiral steel pipes, especially under pressure-bearing conditions. The following measures are recommended.
2025-04-17
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Introduction to SCH 40 ERW pipe
SCH 40 ERW pipe refers to Electric Resistance Welded (ERW) steel pipe with a wall thickness grade classified as Schedule 40. Here's an overview of SCH 40 ERW pipe.
2025-04-16
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Introduction to pre-welding and welding essentials of straight seam steel pipes
Straight seam steel pipes play a vital role in modern infrastructure and industrial applications due to their high strength, dimensional accuracy, and reliability. To ensure the quality and performance of these pipes, strict control must be maintained throughout the manufacturing process—especially during the pre-welding and welding stages. This article outlines the key technical considerations involved in both pre-welding and welding operations of straight seam steel pipes, helping to guarantee product consistency, structural integrity, and long-term service performance.
2025-04-16
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How to increase the stability of large-diameter spiral steel pipe?
Spiral steel pipes are widely used in our daily lives and play a crucial role across various industries, including drainage, water supply, and the transportation of gases such as petroleum gas, liquefied gas, and coal gas. As structural materials in construction, spiral steel pipes offer excellent stability. But how can we further enhance their stability?
2025-04-15