AST YST 310 MS RHS - (40 x 30 x 1.4 mm) - 6 mtr Length
AST YST 310 MS RHS - (40 x 30 x 1.4 mm) - 6 mtr Length
Specifications
| Length | 6 m |
|---|---|
| Thickness | 1.4 mm |
| Web Depth | 40 mm |
| Width | 30 mm |
Description
AST PIPES presents the Grade YST 310 MS RHS AST YST 310 MS RHS - (40 x 30 x 1.4 mm) - 6 mtr Length, an IS 4923:2017-compliant ERW cold-formed rectangular hollow section with 40 mm depth, 30 mm width, 1.4 mm wall thickness, and 6 m standard length. Certified to achieve a minimum yield of 310 MPa and UTS of 450 MPa, this section is optimised for heavy structural, high-load bearing frames, and primary column applications requiring directional bending strength and dimensional accuracy. The rectangular hollow profile enables internal service routing while delivering full structural functionality as beams, lintels, and spanning members in steel construction.
Key Features:- Cold-formed ERW rectangular hollow section to IS 4923:2017 Grade YST 310
- Four flat external faces providing maximum bearing area for connection hardware
- Minimum 310 MPa yield and 450 MPa UTS meeting structural design requirements
- Precise rectangular geometry enabling flush-face connections without packing plates
- Consistent internal dimensions suitable for sleeve joints and end-plate connections
- Surface free from major defects for seamless paint or hot-dip galvanizing adhesion
- 6 m standard length for efficient stacking, handling, and transportation logistics
- Suitable for cold punching, drilling, sawing, and plasma cutting on-site
- Closed cross-section superior to open sections in torsion-critical beam applications
- Produced under controlled rolling and forming conditions for batch-to-batch consistency
- High-strength primary beams in multi-storey structural steel construction
- Main chord spanning members in heavy roof trusses and long-span structures
- Industrial chimney, stack, and flare tower horizontal bracing beam members
- Primary spanning beams in composite concrete-filled tube construction systems
- Heavy conveyor gallery spanning beams and primary structural frame members
- Structural beams in shipbuilding, marine fabrication, and deck structures
- High-load industrial shelving primary beams and heavy racking cross members
- Structural portal frame rafters and primary spanning members in large buildings
Specifications
| Base | Detail |
|---|---|
| Length | 6 m |
| Thickness | 1.4 mm |
| Web Depth | 40 mm |
| Width | 30 mm |
Mechanical & Chemical Composition
Main Specifications
| Base | Detail |
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Chemical Composition
| Base | Detail (%) |
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