Key features

• Commonly used in welded steel frames supporting loads in multiple directions
• Flat square surfaces ease construction
• Preferred for architectural aesthetics in exposed structures

Applications

• Welded steel frames
• Exposed architectural structures

Specifications

Specification: IS 4923 - 97 | Size range: Up to 122 x 61 mm (6 size variants, L/M/H) | Thickness range: 2 mm to 5.4 mm | Grades (Y.S min / T.S min / elongation): Yst 210: 210/330 MPa/20%; Yst 240: 240/410 MPa/15%; Yst 310: 310/450 MPa/10%; Yst 355: 355/490 MPa (8% <25.4 mm, 10% >25.4 mm) | Outside dimension tolerance: +/-1% with a min of +/-0.50 mm | Thickness tolerance: +/-10% | Squareness: 90 deg +/-2 deg | Corner radius: 3t max

Standards: IS 4923:1997