AST PIPES YST 210 Square Hollow Section AST YST 210 MS SHS - (80 x 80 x 4.5 mm) - 6 mtr Length is manufactured by ERW cold-forming to IS 4923:2017, with a 80 mm square cross-section, 4.5 mm wall thickness, and standard 6 m cut length. Delivering 210 MPa yield and 330 MPa tensile strength, this SHS is designed for general structural and light fabrication where dimensional accuracy and weld quality are paramount. Its four flat external faces offer maximum bearing area for connections, gussets, and base plates in structural steel assemblies.

• Grade YST 210 IS 4923:2017 certified SHS with guaranteed mechanical properties
• ERW process producing a continuous, sound weld seam along the full tube length
• Yield strength of 210 MPa and tensile strength of 330 MPa for design-critical applications
• Square hollow geometry offering excellent column action under axial compression
• Equal section modulus about both axes enabling multi-directional load resistance
• Mill surface suitable for direct fabrication, painting, or hot-dip galvanizing
• Available in a wide range of sizes from small profiles to large structural sections
• Standard 6 m lengths compatible with standard transport and storage infrastructure
• Good notch toughness and elongation properties for structural safety under impact
• Dimensional accuracy per IS 4923 tolerances ensuring interchangeable fit-up

• Small structural frames for residential construction and extensions
• Modular and prefabricated building system components
• Light industrial shelving, racking uprights, and cross members
• Kiosk, ATM enclosure, and security cabin frames
• Outdoor street furniture including benches and bin surrounds
• Signage and wayfinding structure supports in commercial spaces
• DIY and hobbyist metal fabrication projects
• Low-load equipment support bases and instrument frames