Angle steel is a common metal profile, widely used in many fields such as construction, machinery manufacturing, bridges, shipbuilding, electricity, transportation, etc. Due to its special cross-sectional shape and excellent mechanical properties, angle steel plays a key role in various structural members and support systems. This article will introduce angle steel in detail, hoping to help you.
Angle steel, also known as angle iron or L-shaped steel, is a long strip of steel with an "L"-shaped cross-section, usually made of carbon steel or stainless steel. The two sides of the angle steel are usually perpendicular to each other. It can be used alone or in combination with other components. It is an important structural material.
Grade |
C |
Mn |
P |
S |
Angle Steel |
<0.22% |
0.30-0.65% |
<0.060% |
<0.060% |
According to different standards and production processes, angle steel can be divided into many types:
1. Classification by side width:
2. Classification by material:
3. Classification by manufacturing process:
The surface quality of angle steel is specified in the standard, and generally requires that there should be no defects that are harmful to use, such as delamination, scarring, cracks, etc.
The allowable range of geometric deviation of angle steel is also specified in the standard, generally including curvature, side width, side thickness, top angle, theoretical weight, etc., and it is stipulated that angle steel shall not have significant torsion.
Angle steel is widely used in various building structures and engineering structures, such as beams, bridges, transmission towers, lifting and transportation machinery, ships, industrial furnaces, reaction towers, container racks and warehouse shelves.
When selecting and using angle steel, the following aspects need to be considered:
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