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Technical Specifications
Product Overview
Hot Rolled Steel C Channel is manufactured from high-quality carbon steel using hot rolling process, providing excellent structural properties and cost-effectiveness. This versatile structural steel section offers superior strength-to-weight ratio and is ideal for various construction and industrial applications.
Key Features:
- High strength and excellent load-bearing capacity
- Good weldability and machinability
- Cost-effective structural solution
- Uniform cross-sectional properties
- Suitable for both indoor and outdoor applications with proper coating
Manufacturing Process: Hot rolled using advanced rolling mills, ensuring consistent dimensional accuracy and superior mechanical properties. The hot rolling process provides excellent grain structure and enhanced strength characteristics.
Applications: Building construction, industrial frameworks, support structures, automotive chassis, machinery frames, warehouse racking systems, and general structural applications requiring high strength and durability.
🧪 Chemical Composition
| Element | Min % | Max % | Typical % | ASTM A36 Requirement |
|---|---|---|---|---|
| Carbon (C) | - | 0.26 | 0.18 | ≤ 0.26 |
| Manganese (Mn) | 0.80 | 1.20 | 0.95 | 0.80-1.20 |
| Silicon (Si) | 0.15 | 0.40 | 0.25 | 0.15-0.40 |
| Phosphorus (P) | - | 0.040 | 0.025 | ≤ 0.040 |
| Sulfur (S) | - | 0.050 | 0.030 | ≤ 0.050 |
| Copper (Cu) | - | 0.20 | 0.12 | ≤ 0.20 |
| Chromium (Cr) | - | 0.15 | 0.08 | ≤ 0.15 |
| Nickel (Ni) | - | 0.15 | 0.08 | ≤ 0.15 |
| Iron (Fe) | Balance | Balance | 98.2 | Balance |
⚙️ Mechanical Properties
| Property | ASTM Requirement | Typical Value | Test Method | Temperature |
|---|---|---|---|---|
| Tensile Strength | 400-550 MPa | 485 MPa | ASTM A370 | Room Temp |
| Yield Strength | 250 MPa min | 275 MPa | ASTM A370 | Room Temp |
| Elongation | 20% min | 25% | ASTM A370 | Room Temp |
| Hardness (Brinell) | - | 140 HB | ASTM E10 | Room Temp |
| Hardness (Rockwell B) | - | 78 HRB | ASTM E18 | Room Temp |
| Modulus of Elasticity | - | 200 GPa | ASTM E111 | Room Temp |
| Impact Energy (Charpy V) | - | 80+ J | ASTM E23 | 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 | 50.2 | 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 | ASTM A342 |
| Curie Temperature | 770 | °C | - | Ferromagnetic |
📏 Product Specifications
| Specification | Available Range | Standard Length | Custom Available | Tolerance |
|---|---|---|---|---|
| Web Depth | 75mm - 380mm | Various | Yes | ±2.0mm |
| Flange Width | 40mm - 100mm | Various | Yes | ±1.5mm |
| Web Thickness | 4mm - 15mm | Various | Yes | ±0.5mm |
| Flange Thickness | 5mm - 16mm | Various | Yes | ±0.5mm |
| Length | 6m - 12m | 6m, 9m, 12m | Yes | +50mm/-0mm |
| Surface Finish | Mill Scale, Shot Blast | Mill Scale | Yes | SSPC-SP6 |
| End Condition | Plain Cut, Flame Cut | Plain Cut | Both | Square ±2° |
| Standards Compliance | ASTM A36, A572, JIS G3101 | ASTM A36 | Multiple | Full compliance |
| Test Certificate | Mill TC, EN 10204 3.1 | Mill TC | Yes | Standard |
| Packaging | Bundles, Loose, Containers | Bundles | Custom | Export standard |
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Our Advantages in Processing Hochgeschweißter Stahl C-Profil
Optimized Heat Treatment Process
The hot rolling process involves precise temperature control above 1700°F, enabling optimal molecular restructuring of the steel. This results in enhanced material strength and improved internal grain structure, creating a more uniform and durable end product.
Superior Shape Formation
Hot rolling allows for precise C-channel formation while the steel is in a more malleable state, ensuring accurate dimensional consistency and reduced internal stress points. This process enables tighter tolerances and better overall structural integrity.
Efficient Material Flow
The high-temperature rolling process facilitates smoother material flow through the forming rollers, resulting in better surface finish and fewer defects. This manufacturing method reduces the need for secondary finishing operations and improves production efficiency.
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