







Angle steel is a remarkable long strip of steel characterized by its two sides forming a perfect perpendicular, earning it the widely recognized name of angle iron. Allow us to take you through a comprehensive exploration of its attributes:
1, Classification and Specifications
Angle steel is primarily categorized into two distinctive types: equilateral angle steel and unequal angle steel. For equilateral angle steel, both sides are of equal length, and their measurements are elegantly expressed in millimeters as 'edge width x edge width x edge thickness'. For instance, '∠ 30 x 30 x 3' denotes an equilateral angle steel with a refined edge width of 30 millimeters and a precise edge thickness of 3 millimeters. The unequal angle steel offers diversity with its asymmetric sides, providing heightened flexibility and versatility.
Domestically produced angle steel boasts an impressive specification range of 2 to 20 centimeters, with the side length represented numerically in centimeters. A single type of angle steel can feature 2 to 7 different edge thicknesses, offering choices for every requirement. When it comes to imported angle steel, dimensions and edge thickness are clearly marked on both sides, adhering to relevant standards.
2, Production Method
Hot Rolling: This is the predominant technique for manufacturing angle steel, ideal for creating standard sizes and accommodating large production volumes efficiently.
Cold Drawing: This method excels in crafting angle steel with refined dimensions and stringent tolerances, resulting in enhanced strength and superior surface quality.
Forging: This specialized technique is tailored for producing large-sized or uniquely specified angle steel, ensuring superior grain structure and overall performance enhancement.
3, Features and Applications
With excellent weldability, commendable plastic deformation properties, and robust mechanical strength, angle steel stands as a testament to carbon structural steel's versatility in construction. It is classified as a simple section steel due to its straightforward yet effective design.
Angle steel finds extensive application across a myriad of building and engineering projects. From forming formidable beams and bridges to supporting transmission towers and machinery, angle steel's presence is felt in ships, industrial furnaces, reaction towers, container racks, and warehouses alike.
This remarkable material is adept at forming diverse load-bearing components tailored to varying structural demands. Furthermore, it serves as a reliable connector between components, enhancing overall structural integrity.
4, Other Information
The chemical composition of angle steel is crucial, with primary verification indicators being C, Mn, P, and S, each with specific content levels that define its quality.
Angle steel delivery is meticulously categorized into fixed length and double length, with domestic fixed length selections varying based on specification numbers.
For calculating angle steel weight, the formula is: weight per meter = 0.00785 × (edge width + edge width - edge thickness) × edge thickness. However, it's important to note that this is a rough estimate, and precise weight should be verified against hardware manuals.
In conclusion, angle steel’s unique geometry and stellar mechanical characteristics position it as an invaluable asset in numerous sectors, meeting diverse needs with remarkable efficiency and reliability.