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80*100*8 Rectangular Steel

Updated: 2026-08-07

Overview

The 80x100x8mm thick rectangular steel bar is a standardized industrial material designed for heavy-duty applications. Its rectangular cross-section and substantial thickness (8mm) make it ideal for projects requiring high structural integrity. Commonly made from carbon steel or alloy steel, this bar is widely used in construction, machinery manufacturing, and infrastructure projects. Its precise dimensions and robust build ensure reliable performance under stress.

Structure and Working Principle

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The bar's rectangular shape provides a larger surface area for welding or bolting, enhancing its versatility in fabrication. The 8mm thickness ensures resistance to bending and deformation under heavy loads. Its working principle relies on the inherent strength of steel, which distributes weight evenly across its structure. This makes it suitable for frameworks, supports, and other load-bearing applications.

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Key Features

This steel bar is prized for its high tensile strength and durability, capable of withstanding significant mechanical stress. Its uniform dimensions allow for easy integration into complex assemblies. Depending on the material grade, it may also offer corrosion resistance, especially when coated or treated. The bar's flat surfaces facilitate secure fastening and alignment during installation.

Application Areas

Primary applications include construction beams, industrial machinery frames, and bridge components. It is also used in manufacturing heavy equipment, storage racks, and custom metal structures. In the automotive sector, it serves as a base material for chassis parts. Its adaptability makes it a staple in engineering and fabrication workshops.

Maintenance and Precautions

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To prolong its lifespan, store the bar in a dry environment to prevent rust. Regular inspections for surface damage or corrosion are recommended, especially in humid conditions. When cutting or welding, use appropriate safety gear to avoid injuries. Ensure proper ventilation to mitigate exposure to fumes.

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B2B Procurement Guide

When sourcing this steel bar, prioritize suppliers with certifications like ISO 9001. Confirm material specifications (e.g., Q235 or SS400) and request mill test reports for quality assurance. Bulk purchases often attract discounts, but verify logistics costs. Compare prices from multiple vendors, considering factors like lead time and after-sales support.

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