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Mild Steel Square Pipe

Mild steel square tubes, also known as MS square tubes, are a versatile building material. These pipes are constructed from durable mild steel and their square cross-sectional shape provides superior strength and stability. MS square tubes are typically manufactured through advanced manufacturing processes. Both uniform thickness and smooth surface finish ensure performance and aesthetics in different environments. They are used in a variety of structural frames including support columns, frames, trusses, fences, etc.

Gnee has the widest range of square tubes available in stock. Here are a variety of lengths, widths, and thicknesses to choose from. In addition, we provide test certificates and processing services. We have our own factory and can supply steel pipes in large quantities at factory prices.

Gnee has a large inventory of mild steel square tubes, which allows to meet customers’ needs and deliver products on time. This avoids delays in project progress due to shortages. Our inventory management system is highly precise, ensuring inventory accuracy and real-time updates. Whether it is mass production or individual customized needs, Gnee can provide quick responses, which brings convenience and confidence to customers.

7 days for stock goods/ within 30-50 days / depending on your order quantity

Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D.

  • Bundles
  • Wooden Boxes
  • Crates
  • Packaging as customer’s requirements

Available, welcome to consult


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General Parameters Of Mild Steel Square Pipe

ProductMild Steel Square Pipe
Wall Thickness1.2mm~20mm
StandardEN10219, EN10210GB/T 6728, JIS G3466, ASTM A500, A36
CertificatesISO 9001 / ISO 18001 / ISO 14001 / CE
Surface ProtectionBlack (Self Coloured uncoated), Varnish/Oil Coating, Pre-Galvanized, Hot Dip Galvanized
Monthly Output20 million-30 million pieces per month
ApplicationsUsed for Construction/building materials steel pipe/Greenhouse frame steel pipe, etc.

What applications can mild steel square pipes be used for?

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Structural Support
Structural Support
Furniture Manufacturing
Furniture Manufacturing
Automotive Industry
Automotive Industry
Agricultural Structure
Agricultural Structure

Excellent Features Of Mild Steel Square Pipe

Gnee has been focusing on providing high-quality square tubes with a variety of excellent properties to customers around the world for 15 years. Come and get a quote now.

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Mild steel square pipes are known for their strength and durability. They can withstand heavy loads and are resistant to bending or warping. This makes them suitable for structural applications where strength is crucial.

Mild steel square pipes are relatively easy to fabricate, cut, weld, and shape, making them convenient for customization and fitting into specific designs or structures.

Although mild steel is not as corrosion-resistant as stainless steel, it still offers a certain degree of resistance to corrosion. Proper surface coatings or treatments can further enhance its corrosion resistance for specific applications.

Mild steel square pipes are readily available in various sizes, thicknesses, and lengths, making it easier to source them for different projects.


MS square pipe has a square cross-section, while MS round pipe has a circular cross-section. The shape difference impacts their applications and structural properties.

Yes, MS square pipe can be used for underground applications. However, proper coating and anti-corrosion measures should be taken to ensure their longevity in such environments.

MS square pipes are made of mild steel with a lower carbon content, while stainless steel pipes contain chromium for enhanced corrosion resistance. Stainless steel pipes are more suitable for applications requiring high resistance to rust and oxidation.

While MS square pipe are durable and can withstand various weather conditions, they are not entirely immune to corrosion. Regular maintenance and protective coatings can enhance their weather resistance.

Yes, MS square pipe, being made of mild steel, are recyclable. Recycling them reduces the demand for new raw materials and supports sustainable practices.

Why Choose Gnee Square Pipe?
Gnee’s mild steel square pipes are distinguished by superior quality, performance, and compliance with strict industry standards. At Gnee, we prioritize customer satisfaction and strive to meet our customers’ needs and exceed their expectations. Our steel tubes are manufactured using high-quality materials and advanced production techniques. We employ stringent quality control measures to ensure that each pipeline meets the highest industry standards. The result is a durable and reliable product that provides long-lasting performance.

In addition, our pipe has been successfully exported to more than 60 countries such as Vietnam, Malaysia, Indonesia, Pakistan, UAE, and South Korea, etc. Many regular customers visit our company and factory and make multiple orders.

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What Services Does Gnee Provide?

Gnee can provide the following measurement services for pipe:

1. Dimensional measurement: Measure the dimensional parameters such as length, width, and thickness by measuring instruments to ensure the pipe is qualified and meets the design requirements.
2. Surface measurement: Measure parameters such as flatness, unevenness, and surface roughness of pipe surface to help ensure that the quality and surface state of the pipe meet the requirements.
3. Thickness measurement: Use a thickness measuring instrument to accurately measure the thickness of the pipe to ensure that it meets the design requirements.
4. Material measurement: Use material analysis instruments to measure the chemical composition and mechanical properties of the product to ensure that the quality and performance meet the requirements.
5. Bending and Deformation Measurements: The degree of bending and deformation of the steel pipe is measured and monitored by using tools such as bending measuring instruments and displacement sensors to ensure that it is within the allowable range.

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Gnee can customize the size and shape of steel pipes for your project according to specific project needs. The custom design of the pipe is carried out by a professional engineer and design team. Based on the requirements and constraints of the project, they will use calculation and simulation tools, combined with experience and technical knowledge, to optimize the steel pipe design to meet the specific needs of your engineering.

● According to the strength requirements of structural design, adjust the thickness, width, and length of pipes.
● The shape of the steel pipe can be designed according to the characteristics of the project.
● If you consider the convenience of installation and maintenance, we can also add openings and passages for easy access and operation in the design for areas that require frequent maintenance.

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Purchasing Gnee steel pipe can provide the following deep processing services. We can customize according to the specific needs of customers to meet the requirements.

Cutting service: Pipe can be custom cut to obtain the desired shape and size according to the needs of customers. For example, flame cutting, plasma cutting, laser cutting, etc., can cut steel pipes into required blocks, special-shaped parts.
Bending and forming: Pipes are bent and formed by stress application and appropriate processes to obtain the desired shape.
Welding service: Pipe can be subjected to various types of welding services, including manual arc welding, gas-shielded welding, laser welding, etc.
Turning and machining of holes: Turning and machining of holes in pipes by using machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface treatment: In order to improve the corrosion resistance and aesthetics of the steel pipe, surface treatment can be carried out. This includes methods such as spraying, hot-dip galvanizing, electroplating, etc. to add a protective layer and provide corrosion resistance.

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Gnee can provide the following testing services through third-party testing agencies. These third-party testing services can provide independent, objective verification that pipes comply with relevant standards and regulations.

Material chemical composition analysis: Through chemical composition analysis, determine whether the composition of the steel pipe meets the standard requirements.
Mechanical performance test: Mechanical performance test includes tensile test, impact test, bending test, etc., which are used to determine whether the mechanical properties such as strength, toughness and ductility of products meet the specified requirements.
Metallographic testing: Through metallographic testing, check the structure, grain size, non-metallic inclusions, etc. of pipes to evaluate their quality and performance.
Corrosion performance test: Through the corrosion performance test, evaluate the corrosion resistance of pipes, including salt spray corrosion resistance, chemical corrosion resistance, etc.
Hardness test: Hardness test is used to measure the hardness of pipe, and its strength and wear resistance can be evaluated according to the hardness value.
Ultrasonic flaw detection: Ultrasonic flaw detection is used to detect internal defects of pipes, such as cracks, pores, inclusions, etc.

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