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Circular Hollow Sections (CHS) are hollow steel sections with a circular cross-section, commonly used in construction and structural applications. They are typically made from carbon steel or stainless steel and are manufactured through processes such as hot or cold forming. CHS are known for their strength, durability, and versatility, making them ideal for various structural applications.
| Material | Carbon steel or stainless steel |
| Standard sizes | From 20 mm to 500 mm in diameter |
| Wall thickness | Typically ranges from 1.5 mm to 20 mm |
| Length | Standard lengths range from 6 m to 12 m |
| Finish | Hot-dip galvanized, painted, or untreated |
When selecting Circular Hollow Sections, consider the required material grade and wall thickness based on the structural demands of your project. Ensure to specify the desired length and finish, as well as any relevant certifications or standards that may apply to your application. It's also important to determine the quantity needed for your project to facilitate accurate pricing and availability.
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CHS offer high strength-to-weight ratios, aesthetic appeal, and excellent resistance to torsion.
Yes, CHS can be welded, but appropriate techniques and materials should be used to ensure structural integrity.
CHS have a circular cross-section, while other hollow sections may have square or rectangular shapes, affecting their load-bearing capabilities.
Yes, CHS are often manufactured according to standards such as EN 10219 or ASTM A500, depending on the region.
Consider the load requirements, structural design, and any applicable building codes to determine the right size.
Common finishes include hot-dip galvanizing, painting, or leaving untreated for specific applications.