Introduction
Structural I‑Beams-also known as I‑Sections or universal beams-feature a narrow, vertical web with horizontal flanges that taper slightly from the web outwards, forming an "I" shape. This geometry delivers high bending strength and excellent shear capacity while minimizing material usage. I‑Beams are a fundamental component in building frames, bridges, machinery supports, and general structural applications where efficient load-bearing and cost effectiveness are required.
Key Specifications
| Specification | Details |
|---|---|
| Material Grades | ASTM A36, ASTM A992, S235JR, S355JR |
| Section Range | W4×13 through W44×335 (US) / IPE 80–IPE 400 (EU) |
| Web Depth (h) | 100 – 610 mm |
| Flange Width (bf) | 50 – 300 mm |
| Web Thickness (tw) | 4.5 – 17 mm |
| Flange Thickness (tf) | 6.5 – 24 mm |
| Unit Weight | 13 – 335 kg/m |
| Standard Length | 6 – 12 m (custom up to 18 m) |
| Surface Finish | Mill finish, primer‑coated, hot‑dip galvanized, or painted |
Custom grades, dimensions, and finishes are available upon request.
Features & Advantages
Optimized Section Efficiency: Narrow tapered flanges reduce weight while concentrating material where bending stresses are highest.
High Bending & Shear Capacity: Deep web resists shear forces; flanges provide strong bending resistance for long spans.
Versatile Fabrication: Easy to cut, drill, weld, and bolt-ideal for both field erection and off‑site prefabrication.
Cost‑Effective: Efficient steel usage lowers material and shipping costs without compromising performance.
Multiple Finishes: Choose from bare mill for indoor use, primer or paint for general protection, or galvanizing for harsh environments.
Applications
Building Construction: Girders, purlins, roof beams, and column supports in residential, commercial, and industrial projects.
Bridges & Infrastructure: Main and secondary girders, stringers, and floor beams for road and rail bridges.
Industrial Equipment: Frames and supports for conveyors, cranes, and heavy machinery.
Marine & Offshore: Structural members for docks, platforms, and shipbuilding (with appropriate corrosion protection).
General Fabrication: Supports, racks, and custom structural frameworks in manufacturing and warehousing.
Packaging & Delivery
Packaging: Bundled with steel strapping and edge protectors; treated with rust‑inhibiting oil; loaded on treated wooden skids or steel pallets and shrink‑wrapped.
Lead Time: Standard production and shipment within 20–30 days after order confirmation; expedited schedules (10–15 days) available for urgent projects.
Why Choose Our I‑Beams?
Precision Rolling: Advanced mills ensure tight tolerances, uniform mechanical properties, and straightness.
Rigorous Quality Control: 100 % ultrasonic flaw detection, dimensional checks, and mechanical testing guarantee reliability.
Custom Fabrication Services: Cut‑to‑length, coping, CNC drilling, notching, and pre‑assembly to your exact specifications.
Dedicated Support: Structural engineers provide section selection guidance, connection design, and load calculations, responding within 12 hours.
Contact Us
For durable, efficient Structural I‑Beams tailored to your design and budget, please contact our sales department. We're committed to delivering high‑performance steel solutions and exceptional service for your next project.
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