Hi-Tech YST 355 80 NB MS CHS (88.9 x 1 mm) - 6 mtr Length
Hi-Tech YST 355 80 NB MS CHS (88.9 x 1 mm) - 6 mtr Length
Specifications
| Diameter | 88.9 mm |
|---|---|
| Length | 6 m |
| Nominal Bore | 80 NB |
| Thickness | 1 mm |
Description
Conforming to IS 1161:2014 Grade YST 355, the Hi-Tech Pipes MS CHS Hi-Tech YST 355 80 NB MS CHS (88.9 x 1 mm) - 6 mtr Length is a precision ERW circular hollow section with 88.9 mm outer diameter, 80 NB nominal bore, and 1 mm wall thickness over a standard 6 m mill length. This tube achieves a minimum yield of 355 MPa and UTS of 490 MPa, making it ideal for medium-duty structural columns, industrial frames, and mechanical/structural tube applications. The closed circular cross-section delivers isotropic structural behaviour — equal strength and stiffness on all axes — enabling compact, efficient structural designs where multi-directional loading must be managed within a minimal footprint.
Key Features:- ERW circular hollow section manufactured to IS 1161:2014 Grade YST 355
- Smooth circular exterior minimising wind resistance in exposed structural applications
- Minimum 355 MPa yield and 490 MPa UTS meeting IS 1161:2014 structural design requirements
- No corner stress concentrations — uniform stress distribution around full section
- Consistent internal bore suitable for sleeve joints, end-plate, and flanged connections
- Surface free from major defects for seamless paint or hot-dip galvanizing adhesion
- 6 m standard length for efficient stacking, transport, and on-site handling
- Suitable for cold punching, drilling, sawing, and plasma cutting at standard settings
- Closed circular section superior to open profiles in torsion-critical structural use
- Produced under controlled ERW process conditions for reliable batch-to-batch consistency
- Structural circular posts for retail, commercial, and mixed-use building frames
- Primary circular column members in PEB and conventional steel building systems
- Industrial platform support circular posts, catwalk columns, and access uprights
- Overhead crane support circular columns and monorail hoist circular post members
- Solar farm ground-mount primary circular post and structural frame members
- Structural circular tube members in composite and mixed-material construction
- Industrial pipe rack primary circular column and structural support post members
- Structural circular sections in container conversion and modular unit frames
Specifications
| Base | Detail |
|---|---|
| Diameter | 88.9 mm |
| Length | 6 m |
| Nominal Bore | 80 NB |
| Thickness | 1 mm |
Mechanical & Chemical Composition
Main Specifications
| Base | Detail |
|---|
Chemical Composition
| Base | Detail (%) |
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