AST YST 210 125 NB MS CHS - (139.7 x 4.8 mm) - 6 mtr Length
AST YST 210 125 NB MS CHS - (139.7 x 4.8 mm) - 6 mtr Length
Specifications
| Diameter | 139.7 mm |
|---|---|
| Length | 6 m |
| Nominal Bore | 125 NB |
| Thickness | 4.8 mm |
Description
Sourced from AST PIPES's certified ERW tube manufacturing facility, the AST YST 210 125 NB MS CHS - (139.7 x 4.8 mm) - 6 mtr Length is a Circular Hollow Section in YST 210 steel built to IS 1161:2014 (Steel Tubes for Structural Purposes). The 139.7 mm outside diameter × 4.8 mm wall (125 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 330 MPa, ideal for general construction, light framing, handrails, and utility support structures. 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 210 — IS-marked for certified structural assurance
- Section: 139.7 mm OD × 4.8 mm wall | 125 NB — suitable for structural and mechanical applications
- Manufactured via ERW process for consistent, strong, and flush weld seam integrity
- Yield strength 210 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 | 139.7 mm |
| Length | 6 m |
| Nominal Bore | 125 NB |
| Thickness | 4.8 mm |
Mechanical & Chemical Composition
Main Specifications
| Base | Detail |
|---|
Chemical Composition
| Base | Detail (%) |
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