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Hot Selling Q235B-Q345 H-Beams I-Beams for Cutting Welding-for Steel Warehouse Fabrication Construction ASTM Iron Structure
- US$ 550
- Min. Order:≥27 Tons (US)
Product Attribute
Processing Service:
Bending, Cutting, Decoiling, Punching, Welding
Grade:
A36, Q235, Q345, SS355JR, SS400
Lead Time: 10 – 20 Days
Business Type: Manufacturer, Exporter,
High
Response Rate
24–48 h
Response Time
150 to 199
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Product information
Key Specifications/ Special Features:
Structural Steel I-Beams: Technical Specification & Applications
Product Overview
Structural steel I-beams (also known as universal beams) are hot-rolled steel profiles with an "I" cross-section, engineered for optimal load-bearing capacity in construction and industrial applications. Characterized by parallel flanges and a central web, they offer exceptional bending resistance and cost-efficiency for structural frameworks.
Key Features
- High Strength-to-Weight Ratio: Optimized cross-section distributes weight evenly, reducing material usage by up to 30% compared to traditional steel profiles.
- Dimensional Precision: Complies with EN 10034 (European) and ASTM A6 (American) standards, ensuring consistent tolerances (±0.5mm for flange thickness).
- Material Versatility: Available in grades S235JR, S355JR (EN), and ASTM A36, A572 Gr.50, with yield strengths ranging from 235MPa to 500MPa.
- Corrosion Resistance: Optional hot-dip galvanization (zinc coating ≥600g/m²) for outdoor applications in marine or industrial environments.
Technical Specifications
1. European Standard IPE Series (EN 10034)
| Model | Height (mm) | Flange Width (mm) | Web Thickness (mm) | Flange Thickness (mm) | Unit Weight (kg/m) |
|---|---|---|---|---|---|
| IPE80 | 80 | 46 | 3.8 | 5.2 | 6.0 |
| IPE100 | 100 | 55 | 4.1 | 5.7 | 8.1 |
| IPE140 | 140 | 73 | 4.7 | 6.9 | 12.9 |
| IPE200 | 200 | 100 | 5.6 | 8.5 | 22.4 |
| IPE300 | 300 | 150 | 7.1 | 10.7 | 42.2 |
2. American Standard W-Beams (ASTM A36)
| Section | Depth (in) | Flange Width (in) | Web Thickness (in) | Flange Thickness (in) | Unit Weight (lb/ft) |
|---|---|---|---|---|---|
| W10×30 | 10.4 | 5.83 | 0.30 | 0.47 | 30 |
| W14×90 | 14.0 | 10.0 | 0.44 | 0.71 | 90 |
| W24×76 | 24.0 | 8.97 | 0.41 | 0.68 | 76 |
Material Properties
- Chemical Composition (ASTM A36): C ≤0.26%, Mn 0.80-1.20%, P ≤0.04%, S ≤0.05%
- Mechanical Performance:
- Finish Options: Black oxide, hot-dip galvanized, or epoxy coating.
Applications
- Construction: High-rise steel frames, roof trusses, and floor joists.
- Bridges: Main girders and support structures for highway and railway bridges.
- Heavy Machinery: Crane booms, industrial presses, and conveyor systems.
- Infrastructure: Power transmission towers, offshore platforms, and stadiums.
Compliance & Certifications
- ISO 9001:2015 Quality Management System
- CE Marking (EN 10204 3.1B Certificate)
- ASTM A36/A572 Gr.50 Compliance
- British Standards BS EN 10025-2
Shipping Information
- FOB Port: Tianjin
- Lead Time: 10–20 Days
Main Export Markets
- - Central/South America
- - Eastern Europe
- - Mid East/Africa
- - North America
- - Western Europe
- - Asia
- - Australasia
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