AST PIPES MS SHS AST YST 240 MS SHS - (113 x 113 x 5 mm) - 6 mtr Length is a cold-formed electric resistance welded square hollow section conforming to IS 4923:2017, Grade YST 240, with a 113 mm outer dimension and 5 mm wall thickness supplied in standard 6 m lengths. Manufactured to deliver a minimum yield strength of 240 MPa and ultimate tensile strength of 360 MPa, this section is purpose-engineered for medium-duty structural and industrial framing. Its square geometry and closed cross-section provide excellent torsional rigidity, making it the preferred structural tube for architects and fabricators alike.

• Manufactured to IS 4923:2017 Grade YST 240 with certified mill test documentation
• Minimum yield strength of 240 MPa ensuring structural design compliance
• Minimum ultimate tensile strength of 360 MPa for reliable load-bearing capacity
• ERW cold-forming process delivering consistent wall thickness on all four faces
• Square cross-section providing equal stiffness about both principal axes
• Smooth external surface finish suitable for painting, powder coating, or galvanizing
• Standard 6 m lengths enabling efficient transport, handling, and site cutting
• Excellent weldability on all four flat faces using MIG, TIG, and SMAW processes
• Tight dimensional tolerances for accurate fit-up in fabricated assemblies
• Closed hollow section resists torsional deformation under eccentric loading

• Medium-duty structural columns and beams in industrial buildings
• Truss chord and diagonal members for roof and floor structures
• Mezzanine floor framing and platform deck primary members
• Industrial machine bases, skid frames, and equipment supports
• Pre-engineered building (PEB) secondary steel framing members
• Conveyor structures, transfer towers, and material handling frames
• Structural gate frames, security barriers, and bollard supports
• Steel staircase stringers, landings, and balustrade posts