Introduction
Cold‑Rolled I‑Beams are precision‑formed structural steel members produced by passing pickled, hot‑rolled coils through roll‑forming mills at room temperature. This process yields tight dimensional tolerances, smooth surface finish, and enhanced straightness compared to hot‑rolled sections. Cold‑Rolled I‑Beams offer excellent bending strength, uniformity, and ease of fabrication, making them ideal for light‑to‑medium duty structures, architectural framing, and interior support applications.
Key Specifications
| Specification | Details |
|---|---|
| Material Grade | DC01 / S250GD / S350GD (EN 10346) |
| Production Standard | EN 10162, JIS G3192 |
| Section Depth (h) | 100 – 300 mm |
| Flange Width (bf) | 50 – 120 mm |
| Web Thickness (tw) | 2.0 – 6.0 mm |
| Flange Thickness (tf) | 3.0 – 8.0 mm |
| Unit Weight | 8 – 60 kg/m |
| Standard Length | 6 – 12 m (custom up to 18 m) |
| Straightness Tolerance | ≤ 0.5 mm/m |
| Surface Finish | Smooth mill finish; optional primer or paint coat |
Custom grades, section sizes, and finishes available upon request.
Features & Advantages
Superior Dimensional Accuracy: Roll‑forming at ambient temperature delivers tight width, depth, and thickness tolerances.
Enhanced Surface Quality: Smooth, oxide‑free finish reduces preparation time for painting or galvanizing.
Excellent Straightness: Minimal camber and bow ensure ease of alignment and installation.
Consistent Mechanical Properties: Work‑hardening during cold forming yields uniform yield and tensile strengths.
Lightweight Efficiency: Optimized section geometry offers high strength‑to‑weight ratio for non‑heavy‑duty framing.
Applications
Interior Support Framing: Ceiling joists, partition studs, and light roof purlins.
Architectural Elements: Exposed I‑beams in office interiors, stair stringers, and display fixtures.
Racking & Shelving: Uprights and cross‑members in warehouse storage systems.
Mezzanine & Catwalk Structures: Lightweight support beams for secondary floor systems.
Equipment Frames: Bases and supports for light machinery and HVAC equipment.
Packaging & Delivery
Packaging:
Bundled with corrosion‑resistant wrapping; protected by edge guards.
Secured on treated wooden skids or steel pallets; stretch‑wrapped for moisture protection.
Lead Time: Standard production and shipment within 15–25 days after order confirmation; expedited schedules (10–15 days) available for urgent orders.
Why Choose Our Cold‑Rolled I‑Beams?
Advanced Roll‑Forming Lines: High‑precision mills ensure uniform section profiles and repeatable performance.
Stringent Quality Control: 100 % dimensional inspection, straightness verification, and mechanical testing.
Custom Fabrication Services: Cut‑to‑length, notch punching, and pre‑assembly tailored to your design.
Responsive Technical Support: Engineering team available for section selection, load calculations, and installation guidance, responding within 12 hours.
Contact Us
For high‑precision Cold‑Rolled I‑Beam solutions customized to your application, please reach out to our sales department. We're committed to supplying reliable, dimensionally accurate structural members with exceptional service for your next project.
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