The RR MetalMakers YST 310 MS RHS - (150 x 100 x 4.8 mm) - 6 mtr Length manufactured by RR MetalMakers is a prime-grade ERW Rectangular Hollow Section in YST 310 mild steel aligned with IS 4923:2017 (Hollow Steel Sections for Structural Use). Offering a 150 mm × 100 mm × 4.8 mm profile in 6 m lengths, this RHS delivers a balanced combination of 310 MPa yield strength, high ductility, and excellent surface finish — enabling its efficient application across heavy-duty structural, high-load, and long-span applications. Standard 6-metre lengths allow minimum wastage during cutting and fabrication on site.

• Produced to IS 4923:2017 with certified mechanical properties for YST 310
• Precise 150 mm × 100 mm × 4.8 mm cross-section ensuring predictable load and deflection behaviour
• Wall thickness 4.8 mm offering optimised section modulus for structural spans
• ERW welding with continuous online seam quality monitoring
• Available in standard 6 m lengths for minimal site wastage
• Low carbon mild steel ensuring superior ductility and impact resistance
• Good machinability — can be drilled, punched, and plasma/laser cut cleanly
• Anti-corrosion oil coating option for storage and transit protection
• Consistent ovality and straightness within IS tolerances for easy erection
• Traceable manufacturing with mill test certificates (MTCs) available on request

• Steel furniture frames: chairs, tables, shelving units, and modular workstations
• Gate and door fabrication, window grills, and architectural screens
• Scaffold and access tower structures on construction sites
• Automotive and vehicle body sub-frames, chassis reinforcements
• Carport, canopy, and pergola steel framework
• Solar panel mounting structures and photovoltaic support systems
• Retail display stands, kiosk structures, and signage support frames