Nezone YST 310 350 NB MS CHS (165.1 x 5.4 mm) - 6 mtr Length
Nezone YST 310 350 NB MS CHS (165.1 x 5.4 mm) - 6 mtr Length
Specifications
| Diameter | 165.1 mm |
|---|---|
| Length | 6 m |
| Nominal Bore | 150 NB |
| Thickness | 5.4 mm |
Description
Precision-formed and IS-certified, the Nezone YST 310 350 NB MS CHS (165.1 x 5.4 mm) - 6 mtr Length from Nezone is a cold-rolled ERW CHS in YST 310 structural steel conforming to IS 1161:2014 (Steel Tubes for Structural Purposes). The 165.1 mm OD × 5.4 mm wall circular section (150 mm NB) in 6 m lengths delivers the high yield strength enabling slender, efficient circular sections under heavy axial and bending loads demanded by heavy-duty structural, high-load, and long-span applications, with tight wall-thickness tolerance, consistent roundness, and smooth internal bore. The circular form provides equal stiffness in all transverse directions, simplifying connection design and structural analysis for columns, struts, and curved architectural elements.
Key Features:- Grade YST 310 steel: minimum yield strength 310 MPa, tensile strength 450 MPa
- Circular hollow profile 165.1 mm OD × 5.4 mm wall — equal stiffness and bending resistance in all directions
- Uniform wall thickness of 5.4 mm throughout the full 6 m length for consistent performance
- Cold-formed ERW manufacturing ensuring high-integrity, flush weld seam quality
- Conforms to IS 1161:2014 — IS-marked with full batch mill certification
- High strength-to-weight ratio enabling slender, efficient structural sections
- Excellent weldability — compatible with MIG, TIG, SMAW, and orbital welding processes
- Nominal bore 150 mm: compatible with standard flanges, couplings, and threaded fittings
- Square-cut ends for precise measurement and clean joint preparation on site
- Smooth mill-finish external surface suitable for painting, galvanising, or powder coating
- Structural columns, posts, and compression struts in industrial and commercial buildings
- Pre-Engineered Building (PEB) columns, bracing members, and diagonal struts
- Circular truss chord members and web diagonals in roof and bridge trusses
- Handrails, balustrades, stair stringers, and safety guardrail systems
- Gate posts, fencing columns, bollards, and perimeter security structures
- Flagpoles, lighting columns, signage poles, and street furniture supports
- Scaffolding standards, shoring frames, and temporary support structures
Specifications
| Base | Detail |
|---|---|
| Diameter | 165.1 mm |
| Length | 6 m |
| Nominal Bore | 150 NB |
| Thickness | 5.4 mm |
Mechanical & Chemical Composition
Main Specifications
| Base | Detail |
|---|
Chemical Composition
| Base | Detail (%) |
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