AST YST 310 150 NB MS CHS - (165.1 x 5.4 mm) - 6 mtr Length
AST YST 310 150 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
Sourced from AST PIPES's certified ERW tube manufacturing facility, the AST YST 310 150 NB MS CHS - (165.1 x 5.4 mm) - 6 mtr Length is a Circular Hollow Section in YST 310 steel built to IS 1161:2014 (Steel Tubes for Structural Purposes). The 165.1 mm outside diameter × 5.4 mm wall (150 NB) in 6 m cut lengths is a large-diameter circular section engineered for primary structural columns, heavy trusses, and industrial frames providing superior torsional and equal-axis bending performance with a guaranteed tensile of 450 MPa, ideal for heavy engineering, crane columns, high-rise bracing, long-span truss chords. Consistent roundness, flush weld seam, and tight dimensional tolerances ensure seamless integration with flanges, end plates, and saddle connections throughout.
Key Features:- IS 1161:2014 compliant CHS in YST 310 — IS-marked for certified structural assurance
- Section: 165.1 mm OD × 5.4 mm wall | 150 NB — suitable for structural and mechanical applications
- Manufactured via ERW process for consistent, strong, and flush weld seam integrity
- Yield strength 310 MPa enables efficient section sizing and reduced steel tonnage
- Standard 6 m lengths ready for immediate workshop fabrication or site deployment
- Excellent formability — can be cold-bent to standard radii without cracking or wrinkling
- Aerodynamically and aesthetically favourable circular profile for exposed structural use
- Compatible with standard CHS connections: CHS-to-CHS, CHS-to-plate, and end-plate details
- Passes hydrostatic test requirements as per applicable IS norms where specified
- Clearly bundled and labelled by grade and size for easy site identification and handling
- Automotive and vehicle body sub-frames, chassis reinforcement tubes, and roll cages
- Modular and prefabricated construction structural tubular components
- Railway platform columns, bridge hangers, and pedestrian walkway support tubes
- Water treatment and sewage plant structural frameworks and elevated walkway supports
- Airport terminal, shopping mall, and long-span commercial building column sections
- Machinery guards, safety enclosures, and protective barrier frames in factories
- Military and defence fabrication: shelters, antenna masts, and vehicle reinforcements
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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