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Technical Specifications
Product Overview
Steel Flattened Expanded Metal is manufactured from high-quality carbon steel through a precision expanding and flattening process. This versatile metal mesh product offers excellent strength-to-weight ratio and superior ventilation properties, making it ideal for industrial and architectural applications.
Key Features:
- High strength-to-weight ratio with excellent rigidity
- Superior ventilation and drainage capabilities
- Non-slip surface texture for safety applications
- Cost-effective alternative to perforated sheets
- Excellent paint and coating adhesion properties
Manufacturing Process: Produced through precision slitting and expanding of steel sheets followed by flattening process to create uniform thickness and smooth surface finish.
Applications: Industrial flooring, walkways, platforms, security fencing, filtration systems, ventilation grilles, architectural facades, and general screening applications.
🧪 Chemical Composition
| Element | Min % | Max % | Typical % | ASTM F1267 Requirement |
|---|---|---|---|---|
| Carbon (C) | - | 0.25 | 0.18 | ≤ 0.25 |
| Manganese (Mn) | 0.30 | 1.50 | 0.85 | 0.30-1.50 |
| Silicon (Si) | - | 0.40 | 0.25 | ≤ 0.40 |
| Phosphorus (P) | - | 0.040 | 0.025 | ≤ 0.040 |
| Sulfur (S) | - | 0.050 | 0.030 | ≤ 0.050 |
| Aluminum (Al) | - | 0.10 | 0.05 | ≤ 0.10 |
| Copper (Cu) | - | 0.35 | 0.20 | ≤ 0.35 |
| Nitrogen (N) | - | 0.012 | 0.008 | ≤ 0.012 |
| Iron (Fe) | Balance | Balance | 98.2 | Balance |
⚙️ Mechanical Properties
| Property | ASTM Requirement | Typical Value | Test Method | Temperature |
|---|---|---|---|---|
| Tensile Strength | 400 MPa min | 450 MPa | ASTM A370 | Room Temp |
| Yield Strength (0.2%) | 250 MPa min | 280 MPa | ASTM A370 | Room Temp |
| Elongation | 20% min | 25% | ASTM A370 | Room Temp |
| Hardness (Brinell) | - | 130 HB | ASTM E10 | Room Temp |
| Hardness (Rockwell B) | - | 75 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 | 1510-1540 | °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 | 170 | 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 Size | Custom Available | Tolerance |
|---|---|---|---|---|
| Sheet Thickness | 0.5mm - 8mm | 2mm | Yes | ±0.1mm |
| Sheet Width | 600mm - 2000mm | 1220mm | Yes | ±5mm |
| Sheet Length | 1000mm - 6000mm | 2440mm | Yes | ±10mm |
| Mesh Opening (LWD) | 3mm - 100mm | 20mm | Yes | ±1mm |
| Mesh Opening (SWD) | 2mm - 50mm | 10mm | Yes | ±0.5mm |
| Strand Width | 1mm - 10mm | 3mm | Yes | ±0.2mm |
| Open Area | 40% - 85% | 65% | Yes | ±3% |
| Surface Finish | Mill, Galvanized, PVC Coated | Mill | Yes | ASTM A123 |
| Standards Compliance | ASTM F1267, ISO 606 | ASTM F1267 | Multiple | Full compliance |
| Packaging | Pallets, Bundles, Crates | Pallets | Custom | Export standard |
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Our Advantages in Processing スチールフラットエクスパンドメタル
Precision Cutting & Stretching
Advanced manufacturing process employs high-precision cutting and controlled stretching techniques to create uniform mesh patterns across steel sheets, ensuring consistent spacing and strand thickness throughout the entire material surface.
Controlled Flattening Process
Specialized rolling equipment applies precise pressure to flatten expanded metal surfaces, creating smooth, level planes that enhance material stability and improve surface contact area while maintaining structural integrity.
Optimized Material Efficiency
The expansion process maximizes raw material usage by creating openings without material waste, resulting in a lighter weight product that maintains structural strength while reducing overall material costs and environmental impact.
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