Precision-formed and IS-certified, the RR MetalMakers YST 310 MS RHS - (40 x 20 x 5.4 mm) - 6 mtr Length from RR MetalMakers is a cold-rolled ERW RHS in YST 310 structural steel conforming to IS 4923:2017 (Hollow Steel Sections for Structural Use). This 40 mm × 20 mm × 5.4 mm section in 6 m cut lengths offers the high yield strength for critical load-bearing structures demanded by heavy-duty structural, high-load, and long-span applications, with tight wall thickness tolerance, excellent straightness, and reliable mechanical properties throughout each length. An ideal choice for specifiers and fabricators seeking consistent quality in structural hollow sections.

• IS 4923:2017 compliant RHS in YST 310 — IS-marked for structural assurance
• Section dimensions: 40 mm (depth) × 20 mm (width) × 5.4 mm (wall thickness)
• Manufactured via ERW process for a consistent, high-integrity seam weld
• High yield strength 310 MPa minimises section size for lighter structures
• Standard 6 m lengths ready for immediate use on site or workshop fabrication
• Excellent formability — can be cold-bent and shaped without cracking
• Uniform external surface finish for consistent aesthetic in exposed structural applications
• Compatible with standard RHS end plates, splice plates, and gusset connections
• Passes hydrostatic test requirements as per applicable IS norms
• Bundled and clearly labelled for easy site identification and handling

• High-rise building core bracing and perimeter frame members
• Modular construction and containerised building structural components
• Railway station canopies, bus shelters, and platform roofing structures
• Cold storage and refrigerated warehouse structural frames
• Crane boom arms, lifting equipment, and material handling booms
• Airport terminal, mall, and large-span commercial building structures
• Military and defence fabrication: shelters, vehicle parts, and support structures