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TEL: 86-22-65815991
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22/Jan
2026
What Quality Inspections Are Required For Steel Pipes?
What quality inspections are required for steel pipes? The quality inspection of steel pipes is a full process, multi-level system that runs through the raw materials, productio...
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19/Jan
2026
What Are The Manufacturing Processes For Pipe Fittings？
What are the manufacturing processes for pipe fittings? The production process system of pipe fittings is mature and diverse, and different processes determine the final strengt...
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19/Jan
2026
What Are The Common Pipe Fittings?
What are the common pipe fittings? There are various types of steel pipe fittings, which are the "joints" and "connectors" that make up a complete pipeline s...
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07/Jan
2026
What Is Intergranular Corrosion?
What is intergranular corrosion? It is a selective corrosion that occurs locally along the boundaries of metal grains (grain boundaries). After corrosion, the surface of the mat...
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05/Jan
2026
What Is Butt Welding?
What is butt welding? Butt welding is a general term for welding processes and joint forms, specifically referring to the method of connecting two workpieces (usually the end fa...
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31/Dec
2025
What Is A Flange?
What is a flange? Flanges are the most commonly used detachable connecting components on pipelines, containers, or equipment. Its core function is to serve as a connection inter...
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29/Dec
2025
What Are The Forging Processes For Steel Pipes?
What are the forging processes for steel pipes? The forging process of steel pipes is mainly divided into two categories: directly manufacturing seamless steel pipes through for...
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25/Dec
2025
Difference Between Sockolet And Weldolet
Introduction In pipeline system, olet is a critical pipe fitting that ensures efficient and reliable connection between the main pipeline and branch pipeline. As two mainstream ...
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25/Dec
2025
What Is Union?
What is Union ? Core concept: What is "Union "? Union is a type of pipe joint that can be quickly disassembled without rotating the two ends of the pipeline. It consis...
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23/Dec
2025
What Is Butt Welding Process?
What is butt welding process? Butt welding is a widely used welding method, which refers to the process of placing two workpieces (usually pipes, plates, or profiles) along thei...
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22/Dec
2025
The Difference Between Concentric And Eccentric Reducer
The difference between concentric and eccentric reducer Concentric and eccentric reducers are collectively referred to as reducers, used to connect two pipes of different diamet...
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22/Dec
2025
Why Do Steel Pipes Need To Be Galvanized
Types of Zinc Layer Zinc layer of galvanized steel pipes can be divided into two types: Hot dipped galvanized and electrogalvanizing. Hot dipped galvanized: By immersing the ste...