The AST PIPES YST 210 Square Hollow Section AST YST 210 MS SHS - (90 x 90 x 2 mm) - 6 mtr Length is cold-formed and ERW-welded to IS 4923:2017 specifications, presenting a 90 mm outer dimension with 2 mm wall thickness in standard 6 m lengths. With guaranteed mechanical properties of 210 MPa yield and 330 MPa tensile strength, this SHS serves as a reliable structural component for general structural and light fabrication. The closed square cross-section imparts excellent torsional and bending stiffness, enabling span and cantilever structural designs with minimal deflection.

• 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