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outline of the IPN 100 steel tapered-flange I-beam, showcasing its cross-sectional geometry, flanges, and web for structural applications. description:
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The IPN 100 section is a steel tapered-flange I-beam widely used in construction and engineering projects. Its cross-section features a web connecting two flanges, with the flanges being slightly tapered to optimize material usage and reduce weight. The nominal depth of the IPN 100 is 100 mm, with specific design standards outlined in European structural steel codes. The tapered design makes it suitable for carrying loads effectively while minimizing stress concentrations.
Alternative profiles to the IPN 100 include the American wide-flange beam (W-beam), which is characterized by its parallel flange surfaces. These profiles are commonly employed in structural systems where strength and economy are critical. The W-beam offers similar functionality but differs in geometry and load distribution capabilities.
The IPN 100 beam has a nominal depth of 100 mm (3.94 inches) and a flange width of 50 mm (1.97 inches). The web thickness is 5 mm (0.2 inches), and the flange thickness at its thickest point measures 7.4 mm (0.29 inches). These dimensions ensure a balance between load-carrying capacity and material efficiency.
From the attached drawing, the design emphasizes precision, confirming the standard dimensions as prescribed by ISO and EN standards. These measurements are crucial for ensuring compatibility with other structural components and adherence to engineering specifications.
The tapered-flange design of the IPN 100 beam provides several advantages, such as reduced material usage without compromising strength. This makes it ideal for projects prioritizing efficiency and sustainability. Additionally, its compact size allows for flexibility in construction applications with limited space.
Compared to the W-beam used in the United States, the IPN beam offers a more economical solution for specific load conditions. However, W-beams provide better performance in cases where parallel flange surfaces are needed for uniform load distribution. Both profiles have distinct advantages depending on the engineering requirements.
The equivalent to the IPN 100 in the American standard is the W4x13 wide-flange beam. This profile has a nominal depth of 4.16 inches (106 mm), a flange width of 4 inches (101.6 mm), and a web thickness of 0.23 inches (5.84 mm). The W4x13 weighs 13 pounds per foot (19.37 kg/m) and is commonly used in small-scale structural applications or as secondary framing components in larger assemblies.
In comparison, the IPN 100 has a weight of approximately 8.91 kg/m (5.99 pounds per foot). While lighter than the W4x13, its tapered flanges make it less suitable for certain load-distribution applications where parallel flange beams perform better. The choice between these profiles depends on the specific structural and economic requirements of the project.
The IPN series originated in Europe as a standardized approach to structural steel design, ensuring uniformity across various projects. These beams have evolved over decades, incorporating new steel grades and manufacturing techniques to meet modern engineering demands. Their history reflects the growing need for lightweight and efficient construction materials.
In the United States, wide-flange beams (W-beams) serve as the equivalent to IPN profiles. They differ in geometry, with parallel flange surfaces and a focus on load uniformity. Other countries employ similar systems, such as the UB (Universal Beam) in the UK and IPE profiles in international markets. These variations showcase the global evolution of steel beam designs.