ERW Square Pipes Structural steel pipe EN10219 S355MH China factory Yuantai Derun
ERW Square Pipes Structural steel pipe EN10219 S355MH China factory Yuantai Derun
ERW Square Pipes Structural steel pipe EN10219 S355MH China factory Yuantai Derun
ERW Square Pipes Structural steel pipe EN10219 S355MH China factory Yuantai Derun
ERW Square Pipes Structural steel pipe EN10219 S355MH China factory Yuantai Derun
ERW Square Pipes Structural steel pipe EN10219 S355MH China factory Yuantai Derun
Model
hfw-yt-Structural steel pipe

Item specifics

Thickness
0.5- 60 mm
OD(Outer diameter)
10*10-1000*1000mm
Place of Origin
Tianjin, China
Certification
CE,LEED,BV,PHD&EPD,BC1,EN 10210,EN10219,ISO9000
Surface Treatment
Black painted or REQUEST
Tolerance
as required
Length
0.5-24M according to client requirement
Materials
S355MH
Delivery Time
7-30 Days

Review

Description

ERW Pipes Structural steel pipe EN10219 S355MH China factory yuantaiderun
ERW Square Pipes have become an essential component in diverse industries due to their versatility, strength, and cost-effectiveness. In addition to ERW Square Pipes, this article will delve into the concept of the polar of inertia in hollow square tubes, the benefits of powder coated square tubes, the advantages of powder coated steel square tubes, and the wide-ranging applications of plain square tubes.
Introduction
ERW Square Pipes: A Brief Overview ERW Square Pipes, also known as Electric Resistance Welded Square Pipes, are manufactured by welding steel strips longitudinally. The edges are then heated and fused together, resulting in a seamless square shape. These pipes are predominantly used in a myriad of industries, including construction, automotive, furniture, and agriculture.

Importance and Applications of ERW Square Pipes ERW Square Pipes play a pivotal role in structural applications, contributing to the construction of buildings, bridges, and infrastructure. Their square shape makes them ideal for creating frames, racks, and supports. In the automotive industry, ERW Square Pipes find use in manufacturing components such as chassis bars and roll cages, thanks to their high tensile strength and excellent weldability.
Understanding the Polar of Inertia in Hollow Square Tube
Definition and Significance of Polar of Inertia The polar of inertia is a geometric property that measures how an object resists rotational motion. In the context of hollow square tubes, it determines their resistance to bending and twisting forces. The higher the polar of inertia, the stiffer the tube will be.

How Polar of Inertia Impacts the Strength and Stiffness of Hollow Square Tubes The polar of inertia affects the structural integrity of hollow square tubes. A larger polar of inertia signifies a greater ability to withstand bending and torsional loads, making the tube more rigid and durable. Engineers and designers take this property into account when selecting the correct hollow square tube for specific applications.
Benefits of Powder Coated Square Tubes
Introduction to Powder Coating Powder coating is a popular finishing process that involves applying a dry powder to a metal surface and then curing it with heat. This process creates a protective and attractive coating that adheres to the material.

Why Choose Powder Coated Square Tubes Powder coated square tubes offer numerous advantages over conventional options. The coating provides a seamless and uniform finish, enhancing the aesthetics of the tubing. Additionally, the powder coating process allows for customization, with a wide range of colors available to suit various design preferences.

Enhanced Durability and Aesthetics Powder coated square tubes exhibit superior resistance to wear, impact, and corrosion. The cured coating forms a strong barrier that protects the underlying metal from external elements, extending the lifespan of the tubes significantly. Furthermore, the smooth and even finish provided by powder coating enhances the overall appearance, making the square tubes visually appealing.

Wide Range of Color Options One of the key advantages of powder coated square tubes is the vast selection of colors available. From vibrant shades to subtle hues, the color options allow for versatility in design and customization. This makes powder coated square tubes an ideal choice for architectural projects and interior design applications where aesthetics play a crucial role.

Resistance to Wear, Corrosion, and UV Rays The powder coating layer acts as a shield, protecting the square tubes from scratches, fading, and chemical exposure. Additionally, powder coated square tubes exhibit excellent resistance to corrosion, ensuring their longevity even in harsh environments. The coating is also resistant to UV rays, making them suitable for outdoor applications.
EN10219 S355MH Chemical Composition
Carbon ≤ 0.14%, silicon ≤ 0.50%, manganese ≤ 1.50%, phosphorus ≤ 0.035%, sulfur ≤ 0.030%, niobium ≤ 0.05%, vanadium ≤ 0.10%,
Aluminum ≥ 0.020%, titanium ≤ 0.05%, nickel ≤ 0.3%, molybdenum ≤ 0.20%, nitrogen ≤ 0.02%
EN10219 S355MH mechanical properties
Wall thickness ≤ 16mm: yield strength ≥ 355MPa, tensile strength ≥ 450-610MPa, elongation ≥ 22%
16mm < wall thickness ≤ 40mm: yield strength ≥ 345MPa, tensile strength ≥ 450-610MPa, elongation ≥ 22%
The Advantages of Powder Coated Steel Square Tubes
Powder Coated Steel vs. Regular Steel Tubes Powder coated steel square tubes offer distinct advantages over traditional steel tubes with no protective coating. The powder coating adds a layer of protection, making the steel tubes more durable and weather-resistant.

Properties that Make Powder Coated Steel Square Tubes Stand Out Powder coated steel square tubes possess exceptional strength and durability, derived from the inherent properties of the steel itself. Additionally, the powder coating layer acts as an extra shield against rust and oxidation, ensuring that the steel tubes maintain their structural integrity over an extended period.

Ultimate Protection against Rust and Oxidation Powder coated steel square tubes are highly resistant to rust and oxidation, which are common challenges faced by regular steel tubes exposed to moisture and air. The durable powder coating effectively prevents water and oxygen from reaching the steel surface, preventing corrosion and ensuring the longevity of the square tubes.

Lower Maintenance Requirements Compared to traditional steel tubes, powder coated steel square tubes require minimal maintenance. The robust coating reduces the need for regular inspections, touch-ups, and replacements, leading to cost savings and increased efficiency in various applications.
Exploring the Polar of Inertia in Hollow Square Tubes
Detailed Explanation of Polar of Inertia The polar of inertia is a vital geometric property when analyzing the structural performance of hollow square tubes. It measures the ability of a tube to resist rotational motion based on its cross-sectional shape. By calculating the polar of inertia, engineers and designers can assess the tube's stiffness and strength.

Calculating Polar of Inertia in Hollow Square Tubes Determining the polar of inertia for a hollow square tube involves using mathematical formulas to account for its specific dimensions. By integrating the formulas for the polar of inertia, it is possible to accurately predict the tube's behavior under bending and torsional loads.

Importance of Polar of Inertia in Structural Engineering and Design Understanding the polar of inertia is crucial in structural engineering and design. It allows engineers to select the optimal hollow square tubes for various applications, ensuring that safety and performance requirements are met. The polar of inertia directly affects the structural stability, load-bearing capacity, and torsional rigidity of hollow square tubes, making it a critical factor in the design process.
The Versatility of Plain Square Tubes
Applications of Plain Square Tubes in Various Industries Plain square tubes, without any specific coatings or modifications, offer a wide range of applications across different industries. Their simplicity and versatility make them an ideal choice for various structural and functional purposes.

Structural Use in Construction and Architecture Plain square tubes find extensive use in construction and architectural projects. They serve as primary structural elements in the construction of frames, columns, and beams. The uniform shape and cross-section of plain square tubes provide reliable support and stability to various building structures.

Creative Use in Furniture Design Plain square tubes are popular materials in the furniture design industry. They are commonly used for constructing sturdy and visually appealing furniture pieces, incorporating the elements of simplicity and modernity. From tables and chairs to shelving units and bed frames, plain square tubes offer a reliable and cost-effective solution for furniture designers.

Agricultural and Automotive Applications In the agricultural sector, plain square tubes are utilized in the manufacturing of equipment and machinery such as gates, fences, and livestock pens. Their strength and versatility make them suitable for withstanding outdoor conditions and heavy-duty applications. Additionally, plain square tubes find application in the automotive industry, particularly in the fabrication of racks and storage systems for transportation purposes.
Conclusion
In conclusion, ERW Square Pipes, polar of inertia in hollow square tubes, powder coated square tubes, powder coated steel square tubes, and plain square tubes are all integral components in various industries. ERW Square Pipes provide strength and flexibility for structural applications, while the polar of inertia in hollow square tubes determines their resistance to bending and torsional forces. Powder coated square tubes enhance durability and aesthetics, while powder coated steel square tubes offer superior protection against rust and oxidation. Lastly, plain square tubes showcase versatility across industries, serving as primary structural elements in construction, furniture design, agriculture, and automotive applications.
FAQs
1. What is ERW Square Pipe? 
ERW Square Pipe refers to Electric Resistance Welded Square Pipes that are commonly used in construction, automotive, furniture, and agriculture industries. These pipes are known for their strength, cost-effectiveness, and versatility.
2. Why is the polar of inertia important in hollow square tubes?
The polar of inertia measures a hollow square tube's resistance to rotational motion, affecting its ability to withstand bending and torsional forces. It plays a crucial role in assessing the tube's strength and stiffness, making it essential in structural engineering and design.
3. How does powder coating benefit square tubes?
Powder coating offers numerous benefits to square tubes, such as enhanced durability, aesthetics, resistance to wear, corrosion, and UV rays. It provides a protective layer on the tubes, extending their lifespan and making them suitable for various applications.
4. What advantages do powder coated steel square tubes have over regular steel tubes?
Powder coated steel square tubes offer superior protection against rust and oxidation, adding a layer of durability and weather resistance. They require minimal maintenance, leading to cost savings and increased efficiency in diverse applications.
5. How are plain square tubes versatile? 
Plain square tubes are widely used in construction, furniture design, agriculture, and automotive industries. They serve as reliable structural elements, providing support and stability. Additionally, they are cost-effective, making them an ideal choice for various applications.