AST YST 310 150 NB MS CHS - (168.3 x 6.3 mm) - 6 mtr Length
AST YST 310 150 NB MS CHS - (168.3 x 6.3 mm) - 6 mtr Length
Specifications
| Diameter | 168.3 mm |
|---|---|
| Length | 6 m |
| Nominal Bore | 150 NB |
| Thickness | 6.3 mm |
Description
The AST YST 310 150 NB MS CHS - (168.3 x 6.3 mm) - 6 mtr Length from AST PIPES is a precision ERW Circular Hollow Section in YST 310 structural steel, compliant with IS 1161:2014 (Steel Tubes for Structural Purposes). Featuring a 168.3 mm OD × 6.3 mm wall (150 NB) profile in 6 m standard cut lengths, this CHS delivers a minimum yield of 310 MPa and tensile of 450 MPa, making it a large-diameter circular section engineered for primary structural columns, heavy trusses, and industrial frames for heavy engineering, crane columns, high-rise bracing, long-span truss chords. Equal bending resistance in all planes and consistent wall distribution throughout its length ensure reliable structural performance and streamlined connection detailing for both welded and bolted assemblies.
Key Features:- Produced to IS 1161:2014 with certified mechanical properties for YST 310
- Precise 168.3 mm OD × 6.3 mm wall (150 NB) — optimal torsional rigidity and axial capacity
- Consistent 6.3 mm wall enabling reliable stress distribution under all load types
- ERW welding with continuous online seam quality monitoring during production
- Standard 6 m cut lengths for minimal site wastage and efficient handling
- Low carbon content delivering superior ductility, impact resistance, and notch toughness
- Machinable — suitable for drilling, plasma/laser cutting, and end-facing operations
- Anti-corrosion oil-coating option available for extended storage and transit protection
- Consistent roundness and straightness within IS tolerance for easy erection and alignment
- Full traceability via heat number with mill test certificates (MTC) available on request
- High-rise building core bracing, column sections, and moment frame members
- Architectural exposed columns and feature tubes in commercial and residential buildings
- Sports facility structures: goal posts, floodlight masts, and stadium seating supports
- Agricultural structures, greenhouse pipe arches, and poly-tunnel frame hoops
- Solar panel tracker structures, photovoltaic torque tubes, and array pile foundations
- Offshore and marine structural tubulars for above-waterline platform sections
- Telecommunications masts, antennae support poles, and broadcasting infrastructure
Specifications
| Base | Detail |
|---|---|
| Diameter | 168.3 mm |
| Length | 6 m |
| Nominal Bore | 150 NB |
| Thickness | 6.3 mm |
Mechanical & Chemical Composition
Main Specifications
| Base | Detail |
|---|
Chemical Composition
| Base | Detail (%) |
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