Name: how structural steel shapes are made
Uploaded: 2024-09-12T16:16:25.000Z
Duration: 1 min 24 s
Channel: JoVE

Structural steel products are manufactured in a structural mill, where the beam blank is reheated and refined through rollers into the required shape and size.
Adjusting the roller spacings in the structural mill produces families of structural sections with related shapes.
The final form is a continuous length from the last rollers, segmented by a hot saw. Segments are cooled and straightened to ensure uniformity.
Heavier sections are produced by welding together flange and web plates, rather than by rolling.
Structural shapes are identified by standard nomenclature with a letter for the shape and numbers for size, thickness, or weight.
Examples include beam, column, channel, and T shapes, identified by shape, nominal depth, and weight.
Angles, hollow sections, bars, and plates are designated by shape, size, and thickness.
Structural steel can be cold-worked via rolling, bending, or stretching at room temperature, modifying the members&#39; shape.
Thin steel sheets form lightweight C-sections, while thicker sheets are cold-formed into various hollow shapes, which are then welded along their longitudinal seams.

structural steel products

Structural steel products are created within a structural mill. The process begins with a beam blank that is reheated and then fed through a series of rollers. These rollers progressively shape the metal into its final form. Adjusting the spacings between the rollers allows for the production of different sections with the same nominal dimensions.
Once shaped, the steel&#39;s final form emerges as a continuous length, which is then segmented by a hot saw into manageable pieces. These segments are subsequently cooled and passed through another set of rollers that straighten the steel, rectifying any deviations or flaws that might have been introduced during the shaping process.
For heavier structural sections, an alternative method involves welding flange and web plates together instead of relying solely on rolling. This method allows for the production of larger and more robust sections needed for substantial construction demands.
Structural steel shapes are standardized and identified by specific nomenclature which includes a letter representing the shape followed by size, thickness, or weight details. Common structural shapes include beams, columns, channels, and T shapes, each characterized by specific dimensions such as nominal depth and weight. Additionally, other forms like angles, hollow sections, bars, and plates are designated by their shape, size, and thickness.
Structural steel can also be modified post-production through cold-working methods such as rolling, bending, or stretching at room temperature to alter the shape of the members. Thin steel sheets are often used to create lightweight C-sections, while thicker sheets can be cold-formed into various hollow shapes like square, rectangular, round, or elliptical forms, which are then welded along their longitudinal seams to produce robust hollow sections.

Structural Steel Products

Structural steel products are manufactured in a structural mill, where the beam blank is reheated and refined through rollers into the required shape and ...

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how structural steel shapes are made

Structural steel shapes are made in a structural mill. The process starts with a beam blank. The steel is reheated and then sent through a series of rollers that gradually form it into its final shape.

The spacing between the rollers can be changed to make different sections with the same nominal dimensions. After shaping, the steel leaves the mill as a continuous length. A hot saw then cuts it into manageable pieces.

The cut pieces are cooled and passed through another set of rollers. These rollers straighten the steel and correct deviations or flaws that may have been introduced during shaping. For heavier structural sections, manufacturers may weld flange and web plates together instead of using rolling alone.

Structural steel shapes use standard names and codes. A letter identifies the shape, and the size, thickness, or weight comes next. Common examples include beams, columns, channels, and T shapes, along with angles, hollow sections, bars, and plates.

Steel members can also be changed after production by cold-working at room temperature. Cold-working includes rolling, bending, and stretching. Thin steel sheets can be formed into lightweight C-sections, while thicker sheets can be cold-formed into square, rectangular, round, or elliptical hollow shapes and then welded along their length.

How Structural Steel Shapes Are Made

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Structural steel shapes are made in a structural mill. The process starts with a beam blank. The steel is reheated and then sent through a series of rollers that gradually form it into its final shape. The spacing between the rollers can be changed to make different sections with the same nominal dimensions. After shaping, the steel leaves the mill as a continuous length. A hot saw then cuts it into manageable pieces. The cut pieces are cooled and passed through another set of rollers. These...

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key terms and concepts

Learn how structural steel shapes are made in a mill, cut, straightened, welded, and cold-formed into beams, columns, channels, and hollow sections.

How Structural Steel Shapes Are Made | JoVE K12

JoVE Core Civil Engineering offers a foundational exploration of essential construction materials such as bricks, stones, steel, wood, and concrete, along with fluid mechanics topics like flow over immersed bodies, open channel flow, and dimensional modeling. It also covers key surveying concepts, including leveling, traverse adjustments, curve design, topographic mapping, and geospatial technologies (GPS & GIS). Science-in-action videos showcase laboratory research on materials, fluids, and surveying practices in real-world engineering systems.

civil engineering

How Structural Steel Shapes Are Made

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