S235 steel pipes are extensively utilized in construction and engineering due to their favorable strength-to-weight ratio, excellent weldability, and affordability. These pipes come in various dimensions to meet diverse project needs. Engineers, contractors, and procurement specialists must thoroughly understand these dimensions to ensure optimal performance and fit for their specific applications. This article delivers a detailed overview of the typical dimensions available for S235 pipes, including circular, square, and rectangular hollow sections, highlighting how each dimension can impact structural integrity and suitability for different uses in construction and industrial settings.
Circular Hollow Sections
Circular hollow sections (CHS) are among the most common forms of S235 pipes. They are widely used in structural applications, fluid transportation, and as support elements in various constructions. The dimensions of circular hollow sections are typically specified by their outer diameter and wall thickness.
Outer diameters for S235 circular hollow sections generally range from 21.3 mm to 610 mm. This wide range allows for versatility in design and application. Smaller diameters are often used in handrails, light structural supports, and small-scale piping systems. Larger diameters find applications in heavy-duty structural elements, large-scale fluid transportation, and industrial processes.
Wall thicknesses for these pipes typically range from 2 mm to 16 mm. The choice of wall thickness depends on the specific requirements of the application, such as pressure resistance, load-bearing capacity, and overall weight considerations. Thinner walls are suitable for applications where weight reduction is a priority and structural demands are lower. Thicker walls are used in high-pressure systems or where greater structural strength is needed.
It's important to note that not all combinations of outer diameter and wall thickness may be available as standard products. Manufacturers often produce a subset of all possible combinations based on common industry demands and production efficiencies. Custom dimensions may be available upon request, subject to minimum order quantities and feasibility of production.
Square Hollow Sections
Square hollow sections (SHS) made from s235 pipe steel are popular in architectural and structural applications due to their uniform appearance and ease of connection. These sections are defined by their side length and wall thickness.
Side lengths for S235 square hollow sections typically range from 20 mm to 400 mm. This range allows for a wide variety of applications, from small decorative elements to large structural supports. Smaller sections might be used in furniture design or light-duty framing, while larger sections are common in building frameworks, support columns, and heavy machinery frames.
Wall thicknesses for square hollow sections mirror those of circular sections, ranging from 2 mm to 16 mm. The choice of wall thickness is crucial in determining the section's load-bearing capacity and overall weight. Thinner walls are often sufficient for architectural applications where aesthetic considerations are paramount and loads are relatively light. Thicker walls are necessary for structural applications requiring high strength and stiffness.
The combination of side length and wall thickness affects the section's properties, such as moment of inertia and section modulus, which are critical factors in structural design. Engineers must carefully consider these properties when selecting the appropriate dimensions for their specific application.
Rectangular Hollow Sections
Rectangular hollow sections (RHS) offer a balance between the uniform appearance of square sections and the design flexibility of different width-to-height ratios. S235 rectangular hollow sections are available in a variety of dimensions to suit diverse architectural and structural needs.
The width and height combinations for rectangular hollow sections typically range from 30x20 mm to 400x300 mm. This wide range allows designers to optimize the section's properties for specific load directions or space constraints. For example, a section with a greater height than width might be chosen for a beam application where vertical loads are predominant.
Wall thicknesses for rectangular sections also range from 2 mm to 16 mm, consistent with circular and square sections. The selection of wall thickness depends on the required strength, weight considerations, and any specific code requirements for the application.
The versatility of rectangular hollow sections makes them popular in various applications, including framing systems, support structures, and architectural features. Their non-square cross-section can provide advantages in certain designs where directional strength or a particular aesthetic is desired.
Standard Lengths Often Range From 6 To 12 Meters
While the cross-sectional dimensions of S235 pipes are crucial for design and engineering purposes, the length of the pipes is an important consideration for logistics, installation, and overall project planning. Standard lengths for S235 pipes typically range from 6 to 12 meters.
The 6-meter length is common in many markets due to its manageability in transportation and ease of handling on construction sites. It's often preferred for smaller projects or where space constraints exist. The 12-meter length is favored in larger construction projects as it can reduce the number of joints required, potentially lowering installation time and costs.
However, it's important to note that the available lengths can vary significantly between manufacturers. Some may offer lengths up to 18 meters or even custom lengths for specific project requirements. Factors influencing the available lengths include manufacturing capabilities, transportation limitations, and market demand in different regions.
When specifying or ordering S235 pipes, it's advisable to consult with the manufacturer or supplier about available lengths. This can help in optimizing material usage, reducing waste, and planning for efficient transportation and installation.
S235 Pipe For Sale
LONGMA GROUP offers a comprehensive range of S235 pipes to meet diverse project needs. Their product line includes pipes with outer diameters ranging from 1/2" to 80" (21.3mm to 2032mm), significantly extending beyond the typical range of many manufacturers. This wide range allows for applications from small-scale piping systems to large industrial installations.
Wall thicknesses available from LONGMA GROUP span from SCH10 to SCH160 (6.35mm to 59.54mm), providing options for various pressure ratings and structural requirements. This range encompasses and exceeds the standard 2mm to 16mm range, offering solutions for high-pressure or heavy-duty applications that may require thicker walls.
LONGMA GROUP provides pipes in lengths from 6m to 18m, offering flexibility in project planning and potentially reducing the number of joints required in large-scale installations. This range of lengths can contribute to more efficient installation processes and potentially lower overall project costs.
Conclusion
Their extensive product range and advanced customization capabilities make them a valuable partner for projects that require S235 pipes. With a diverse selection of dimensions and the ability to tailor solutions to meet specific project needs, they ensure that every requirement is met with precision and efficiency. LONGMA GROUP stands out for its commitment to quality and customer satisfaction. For those seeking S235 pipe manufacturers who offer both a broad array of sizes and the flexibility to address unique project specifications, LONGMA GROUP invites inquiries at info@longma-group.com.
References
1. EN 10210-2:2019 Hot finished steel structural hollow sections - Part 2: Tolerances, dimensions and sectional properties
2. EN 10219-2:2019 Cold formed welded steel structural hollow sections - Part 2: Tolerances, dimensions and sectional properties
3. Steel Construction Institute. (2018). Steel Building Design: Design Data. SCI Publication P363.
4. ArcelorMittal. (2021). Hot Finished Structural Hollow Sections: Size Range and Section Properties.
5. Tata Steel. (2020). Structural Hollow Sections: Product Range and Technical Information.
