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Analysis of common steel pipe wall thickness and its application fields

Views: 5     Author: Site Editor     Publish Time: 2024-07-05      Origin: Site

First, introduction

Steel pipe, as an important metal material, is widely used in various fields. The wall thickness of steel pipe is one of the important indicators to measure its quality and performance.


Second, the classification of common steel pipe wall thickness

The wall thickness of steel pipe is generally classified according to its application field and functional requirements. The following are some common classifications of steel pipe wall thickness:

1. Thin-walled steel pipe: Thin-walled steel pipe generally refers to steel pipe with a wall thickness of less than 3mm, and common ones are seamless steel pipe and welded steel pipe. Thin-walled steel pipe has the characteristics of lightweight, high strength, and corrosion resistance, and is widely used in construction, machinery manufacturing, automobile manufacturing, and other fields.

2. Medium-walled steel pipe: The wall thickness of medium-walled steel pipe is generally between 3mm and 20mm, and common ones are seamless steel pipe and welded steel pipe. Medium-walled steel pipe has high strength and is suitable for conveying high-pressure fluids, supporting structures, petrochemical equipment, and other fields.

3. Thick-walled steel pipe: The wall thickness of thick-walled steel pipe is generally greater than 20mm, and common ones are seamless steel pipe and welded steel pipe. Thick-walled steel pipes have high compressive strength and high-temperature resistance and are often used in the fields of petroleum, chemical industry, and electric power.


Third, the application fields of common steel pipe wall thickness

1. Construction field: In building structures, commonly used thin-walled steel pipes and medium-walled steel pipes are used to build frames, support structures, stair handrails, etc. Thin-walled steel pipes are widely used in residential and commercial buildings due to their lightweight and convenient construction. Medium-walled steel pipes are often used in high-rise buildings, large-span buildings, and other structures that need to bear large loads.

2. Machinery manufacturing field: Steel pipes play an important role in machinery manufacturing. Common thick-walled steel pipes are used to manufacture heavy machinery and equipment, engineering machinery, mining equipment, etc. The high strength and wear resistance of steel pipes enable them to withstand high pressure and impact and can meet the requirements of different working environments.

3. Petrochemical field: The transportation and storage of oil and natural gas have high requirements for pipelines. Medium-walled and thick-walled steel pipes are often used in petrochemical equipment, oil and gas pipelines, and other fields. The corrosion resistance and high-temperature performance of steel pipes can ensure the safe transportation and storage of oil and gas.

4. Automobile manufacturing: Steel pipes are widely used in chassis, frames, exhaust systems, and other parts in automobile manufacturing. Thin-walled steel pipes and medium-walled steel pipes are often used to manufacture automobile body frames and structural parts. Their lightweight and high-strength characteristics can improve the safety and fuel efficiency of automobiles.

5. Other fields: In addition to the above fields, steel pipes are also widely used in aerospace, power engineering, urban rail transit, and other fields. In these fields, the characteristics and wall thickness requirements of steel pipes will be different, and they need to be selected according to specific engineering requirements.


Fourth, how to choose the appropriate steel pipe wall thickness

Choosing the appropriate steel pipe wall thickness requires comprehensive consideration of the following factors:

1. Use environment: According to the working environment and working conditions of the steel pipe, select a wall thickness that can meet the use requirements. For example, in harsh environments such as high temperature, high pressure, and corrosion, it is necessary to select a steel pipe with a thicker wall.

2. Load-bearing requirements: According to the size and nature of the load to be borne, select a steel pipe wall thickness that can meet the requirements. For structures that need to bear large loads, steel pipes with thicker walls should be selected to ensure the stability and safety of the structure.

3. Cost considerations: Steel pipes with different wall thicknesses have different costs. Choosing the right wall thickness should comprehensively consider the project budget and performance requirements.

4. Specification requirements: In some specific fields, there are corresponding specifications and standards for the use of steel pipes, and the appropriate wall thickness needs to be selected according to the specifications.


In summary, the wall thickness of steel pipes is one of the important indicators for measuring the performance and quality of steel pipes. According to different application fields and requirements, choosing the right wall thickness of steel pipes can ensure the quality and safety of the project. When choosing the wall thickness of steel pipes, factors such as the use environment, load requirements, cost, and specifications need to be considered to make the best choice.


Hunan Great Steel Pipe Co.,Ltd
Hunan Great Steel Pipe Co.,Ltd is a world-class production and service provider of submerged arc straight seam welded pipe as the first subsidiary of Shinestar Group. Hunan Great Steel Pipe Co.,Ltd pays more attention to in the pipeline engineering research areas as a pioneer of China Petroleum Pipeline & Gas Pipeline Science Research Institute.

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