Hi-Tech YST 355 80 NB MS CHS (88.9 x 0.9 mm) - 6 mtr Length
Hi-Tech YST 355 80 NB MS CHS (88.9 x 0.9 mm) - 6 mtr Length
Specifications
| Diameter | 88.9 mm |
|---|---|
| Length | 6 m |
| Nominal Bore | 80 NB |
| Thickness | 0.9 mm |
Description
The Hi-Tech Pipes YST 355 MS CHS Hi-Tech YST 355 80 NB MS CHS (88.9 x 0.9 mm) - 6 mtr Length is produced through the ERW manufacturing process to comply with IS 1161:2014, featuring a 88.9 mm outer diameter at 80 NB, with 0.9 mm wall thickness in standard 6 m lengths. With guaranteed yield strength of 355 MPa and tensile strength of 490 MPa, this circular hollow section delivers reliable mechanical performance for medium-duty structural columns, industrial frames, and mechanical/structural tube applications. Its smooth circular profile distributes stress uniformly around the entire section circumference, offering superior fatigue and torsion resistance compared to open or rectangular structural sections.
Key Features:- IS 1161:2014 Grade YST 355 compliant with traceable mechanical test certificates
- ERW process with controlled heat input ensuring uniform weld zone properties
- Certified yield strength of 355 MPa for structural engineering design calculations
- Isotropic circular profile providing equal load resistance in all planes
- Consistent wall thickness around the full tube circumference for uniform stress distribution
- Clean mill surface finish receptive to all protective coating and galvanizing systems
- Standard 6 m cut lengths minimising on-site material wastage and splice frequency
- Compatible with conventional bolted flange, welded, and mechanical fastening systems
- Low carbon equivalent supporting excellent field weldability and site fabrication
- UTS of 490 MPa providing adequate structural reserve under overload loading conditions
- Structural circular columns in warehouses, factories, and commercial buildings
- Primary circular column members in modular and prefabricated steel structures
- Agricultural shed circular frame posts and rural storage facility column members
- Offshore and marine secondary structural circular tube and post members
- Industrial racking circular column uprights and vertical load-bearing post members
- Crane runway secondary circular support columns and auxiliary post members
- Medium-span truss circular chord and bracing structural tube members
- Transmission line and telecom tower circular cross-arm and brace members
Specifications
| Base | Detail |
|---|---|
| Diameter | 88.9 mm |
| Length | 6 m |
| Nominal Bore | 80 NB |
| Thickness | 0.9 mm |
Mechanical & Chemical Composition
Main Specifications
| Base | Detail |
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Chemical Composition
| Base | Detail (%) |
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