Channel steel

     Channel steel is a long steel bar with a fluted cross-section. It is a carbon structural steel used in construction and machinery. It is a complex cross-section steel with a fluted cross-section. Channel steel is primarily used in building structures, curtain wall construction, machinery, and vehicle manufacturing.

Basic Information

In use, it requires excellent welding and riveting properties, as well as comprehensive mechanical properties. The raw material for channel steel is carbon steel or low-alloy steel billets with a carbon content not exceeding 0.25%. Finished channels are delivered in the hot-formed, normalized, or hot-rolled state. Specifications are expressed in millimeters as waist height (h) * leg width (b) * waist thickness (d). For example, 100*48*5.3 indicates a channel with a waist height of 100 mm, a leg width of 48 mm, and a waist thickness of 5.3 mm, also known as 10# channel steel. Channel steel with the same waist height but varying leg widths and waist thicknesses should be distinguished by adding a, b, or c to the right of the model number, e.g., 25#a, 25#b, 25#c, etc.

Categories

Channel steel is divided into ordinary and lightweight channels. Hot-rolled ordinary channels are available in sizes 5-40#. Hot-rolled variable channels, supplied by mutual agreement, are available in sizes 6.5-30#. Channel steel is primarily used in building structures, vehicle manufacturing, other industrial structures, and fixed cabinets. Channel steel is often used in conjunction with I-beams.

Channel steel can be categorized into four types based on shape: cold-formed equal-leg channels, cold-formed unequal-leg channels, cold-formed inner-curled channels, and cold-formed outer-curled channels.

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