







Angle steel, popularly known as angle iron, is a long strip of steel characterized by its two perpendicular sides. Below is an in-depth look at the fascinating world of angle steel:
1, Classification and Specifications
Angle steel is primarily categorized into two distinct types: equilateral and unequal angle steel. Equilateral angle steel boasts sides of equal length, with its specifications articulated in millimeters as "edge width x edge width x edge thickness", exemplified by "∠ 30 x 30 x 3"—indicative of an equilateral angle steel sporting a 30-millimeter edge width and 3-millimeter edge thickness. Unequal angle steel, offering varied side lengths, presents more adaptability and multifunctionality.
Domestically manufactured angle steel spans specifications ranging between 2 to 20 centimeters, with side length represented in centimeters. Each angle steel type can present with 2 to 7 varying edge thicknesses. Imported angle steel must precisely indicate all actual dimensions and thicknesses, along with adhering to relevant standards.
2, Production Method
Hot Rolling: This predominant method for angle steel production is ideal for standard sizes and mass production, ensuring efficient output with consistency.
Cold Drawing: Tailored for producing angle steel with more refined dimensions and stringent tolerances, this method offers enhanced strength and superior surface finish.
Forging: Employed for crafting large-sized or uniquely specified angle steel, forging imparts superior grain structure and elevates overall performance.
3, Features and Applications
Angle steel exhibits remarkable weldability, adept plastic deformation capacity, and significant mechanical strength. As a carbon structural steel, it plays a crucial role in construction under the simple section steel category.
Widely employed across diverse construction and engineering projects, angle steel finds use in beams, bridges, transmission towers, cranes, ships, industrial kilns, reaction towers, storage racks, and warehouses.
Angle steel is versatile, forming various load-bearing structures tailored to diverse architectural requisites. It's an ideal connector, linking different components seamlessly.
4, Other Information
Key verification parameters for angle steel's chemical composition include varying levels of C, Mn, P, and S, ensuring optimal performance.
Angle steel's delivery length is offered in two formats: fixed length and dual length, with domestic fixed length options differing by specification number.
The calculation for angle steel's weight per meter is: weight = 0.00785 × (edge width + edge width - edge thickness) × edge thickness. Note, this formula offers an estimate; refer to hardware manuals for exact weight.
In essence, angle steel is indispensable across numerous sectors, thanks to its distinctive geometry and superior mechanical attributes.