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Technical Specifications
Product Overview
Hot Rolled Steel Wide Flange I Beam is manufactured from high-quality structural carbon steel through hot rolling process. These beams feature wide flanges that provide excellent load-bearing capacity and structural stability, making them ideal for heavy construction applications.
Key Features:
- High strength-to-weight ratio for efficient structural design
- Wide flanges provide superior lateral stability
- Excellent weldability and machinability
- Cost-effective solution for structural applications
- Consistent dimensional accuracy and straightness
Manufacturing Process: Hot rolled using advanced rolling technology with precise dimensional control, ensuring consistent cross-sectional properties and excellent surface quality.
Applications: Building construction, bridge construction, industrial structures, warehouse framing, high-rise buildings, heavy machinery foundations, and general structural engineering applications requiring high load-bearing capacity.
🧪 Chemical Composition
| Element | Min % | Max % | Typical % | ASTM A992 Requirement |
|---|---|---|---|---|
| Carbon (C) | - | 0.23 | 0.18 | ≤ 0.23 |
| Manganese (Mn) | 0.75 | 1.35 | 1.00 | 0.75-1.35 |
| Silicon (Si) | 0.15 | 0.40 | 0.25 | 0.15-0.40 |
| Phosphorus (P) | - | 0.04 | 0.025 | ≤ 0.04 |
| Sulfur (S) | - | 0.05 | 0.030 | ≤ 0.05 |
| Copper (Cu) | - | 0.35 | 0.20 | ≤ 0.35 |
| Nickel (Ni) | - | 0.40 | 0.15 | ≤ 0.40 |
| Chromium (Cr) | - | 0.40 | 0.15 | ≤ 0.40 |
| Iron (Fe) | Balance | Balance | 97.8 | Balance |
⚙️ Mechanical Properties
| Property | ASTM Requirement | Typical Value | Test Method | Temperature |
|---|---|---|---|---|
| Tensile Strength | 450 MPa min | 485 MPa | ASTM A370 | Room Temp |
| Yield Strength | 345 MPa min | 365 MPa | ASTM A370 | Room Temp |
| Elongation | 18% min | 22% | ASTM A370 | Room Temp |
| Hardness (Brinell) | - | 150 HB | ASTM E10 | Room Temp |
| Modulus of Elasticity | - | 200 GPa | ASTM E111 | Room Temp |
| Impact Energy (Charpy V) | 27 J min | 40 J | ASTM E23 | 21°C |
| Fatigue Strength | - | 240 MPa | ASTM D7791 | Room Temp |
🔬 Physical Properties
| Property | Value | Unit | Temperature | Test Standard |
|---|---|---|---|---|
| Density | 7.85 | g/cm3 | 20°C | ASTM B311 |
| Melting Point | 1425-1540 | °C | - | DSC Analysis |
| Thermal Conductivity | 50 | W/m·K | 100°C | ASTM E1461 |
| Specific Heat | 460 | J/kg·K | 0-100°C | ASTM C351 |
| Linear Expansion | 11.7 | μm/m·K | 0-100°C | ASTM E228 |
| Electrical Resistivity | 180 | n|°¤m | 20°C | ASTM B193 |
| Magnetic Permeability | High | μ/μ₀ | Room Temp | Ferromagnetic |
| Curie Temperature | 770 | °C | - | Magnetic transition |
📏 Product Specifications
| Specification | Available Range | Standard Length | Custom Available | Tolerance |
|---|---|---|---|---|
| Beam Depth (H) | 100mm - 920mm | Various | Yes | ±3mm |
| Flange Width (B) | 100mm - 420mm | Various | Yes | ±3mm |
| Web Thickness | 5mm - 35mm | Various | Yes | ±1mm |
| Flange Thickness | 8mm - 56mm | Various | Yes | ±1mm |
| Length | 6m - 18m | 12m | Yes | +100mm/-0mm |
| Surface Finish | Mill Scale, Shot Blast | Mill Scale | Yes | SSPC-SP6 |
| End Preparation | Square Cut, Beveled | Square Cut | Yes | ±2° |
| Standards Compliance | ASTM A992, A572, JIS G3101 | A992 | Multiple | Full compliance |
| Test Certificate | Mill TC, EN 10204 3.1 | Mill TC | Yes | Standard |
| Packaging | Bundles, Loose | Bundles | Custom | Export standard |
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Our Advantages in Processing เหล็กกล้าหนา โรมม้วน แบบ I ฟลานด์กว้าง
Precise Hot Rolling Process
Advanced hot rolling technology ensures uniform material density and optimal structural integrity throughout the beam. The controlled heating and rolling process creates consistent mechanical properties and superior strength-to-weight ratio while minimizing internal stresses.
Wide Flange Design Control
Sophisticated manufacturing controls maintain precise dimensional tolerances during the rolling process, ensuring exact flange width and thickness specifications. This results in superior load distribution and enhanced structural performance in construction applications.
Continuous Quality Rolling
State-of-the-art continuous rolling production line enables efficient manufacturing of long beam lengths with consistent cross-sectional properties. This process guarantees uniform material flow and excellent surface finish while maintaining strict dimensional accuracy.
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