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Technical Specifications
Product Overview
304 Stainless Steel Channel is a structural steel product manufactured from premium grade 304 austenitic stainless steel. This C-shaped structural section offers excellent corrosion resistance combined with superior structural strength, making it ideal for architectural, marine, and industrial applications.
Key Features:
- Excellent corrosion resistance in various environments
- High strength-to-weight ratio for structural applications
- Non-magnetic in annealed condition
- Superior weldability and formability
- Low maintenance and long service life
Manufacturing Process: Produced through hot rolling or cold forming processes, ensuring consistent dimensional accuracy and superior surface finish. Available in both standard and custom sizes.
Applications: Structural framing, architectural trim, marine construction, chemical processing equipment, food processing facilities, pharmaceutical equipment supports, and general industrial structural applications requiring corrosion resistance.
🧪 Chemical Composition
| Element | Min % | Max % | Typical % | ASTM A276 Requirement |
|---|---|---|---|---|
| Carbon (C) | - | 0.080 | 0.045 | ≤ 0.08 |
| Chromium (Cr) | 18.0 | 20.0 | 18.5 | 18.0-20.0 |
| Nickel (Ni) | 8.0 | 12.0 | 9.2 | 8.0-12.0 |
| Manganese (Mn) | - | 2.00 | 1.45 | ≤ 2.00 |
| Silicon (Si) | - | 0.75 | 0.42 | ≤ 0.75 |
| Phosphorus (P) | - | 0.045 | 0.028 | ≤ 0.045 |
| Sulfur (S) | - | 0.030 | 0.015 | ≤ 0.030 |
| Nitrogen (N) | - | 0.10 | 0.06 | ≤ 0.10 |
| Iron (Fe) | Balance | Balance | 70.1 | Balance |
⚙️ Mechanical Properties
| Property | ASTM Requirement | Typical Value | Test Method | Temperature |
|---|---|---|---|---|
| Tensile Strength | 515 MPa min | 580 MPa | ASTM A370 | Room Temp |
| Yield Strength (0.2%) | 205 MPa min | 240 MPa | ASTM A370 | Room Temp |
| Elongation | 35% min | 45% | ASTM A370 | Room Temp |
| Hardness (Brinell) | 201 HB max | 170 HB | ASTM E10 | Room Temp |
| Hardness (Rockwell B) | 92 HRB max | 85 HRB | ASTM E18 | Room Temp |
| Modulus of Elasticity | - | 200 GPa | ASTM E111 | Room Temp |
| Impact Energy (Charpy V) | - | 300+ J | ASTM E23 | Room Temp |
🔬 Physical Properties
| Property | Value | Unit | Temperature | Test Standard |
|---|---|---|---|---|
| Density | 8.00 | g/cm3 | 20°C | ASTM B311 |
| Melting Point | 1400-1450 | °C | - | DSC Analysis |
| Thermal Conductivity | 16.2 | W/m·K | 100°C | ASTM E1461 |
| Specific Heat | 500 | J/kg·K | 0-100°C | ASTM C351 |
| Linear Expansion | 17.2 | μm/m·K | 0-100°C | ASTM E228 |
| Electrical Resistivity | 720 | n|°¤m | 20°C | ASTM B193 |
| Magnetic Permeability | 1.02 | μ/μ₀ | Room Temp | ASTM A342 |
| Curie Temperature | None | - | - | Non-magnetic |
📏 Product Specifications
| Specification | Available Range | Standard Length | Custom Available | Tolerance |
|---|---|---|---|---|
| Depth (A) | 25mm - 380mm | Various | Yes | ±1.5mm |
| Flange Width (B) | 25mm - 100mm | Various | Yes | ±1.0mm |
| Web Thickness | 3mm - 16mm | Various | Yes | ±0.5mm |
| Flange Thickness | 5mm - 20mm | Various | Yes | ±0.5mm |
| Length | 1m - 12m | 6m | Yes | +50mm/-0mm |
| Surface Finish | Mill, Pickled, Polished | Mill | Yes | Ra ≤ 1.6μm |
| Manufacturing | Hot Rolled, Cold Formed | Hot Rolled | Both | ASTM standard |
| Standards Compliance | ASTM A276, A479, AISC | A276 | Multiple | Full compliance |
| Test Certificate | Mill TC, EN 10204 3.1 | Mill TC | Yes | Standard |
| Packaging | Bundles, Crates, Containers | Bundles | Custom | Export standard |
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Our Advantages in Processing ช่องเหล็กสแตนเลส 304
Superior Corrosion Protection
304 grade stainless steel manufacturing process incorporates precise chromium and nickel content ratios, creating an invisible protective oxide layer that provides exceptional resistance against corrosion, rust, and chemical damage across diverse environments.
Precision Cold Rolling Process
Advanced cold rolling techniques ensure uniform thickness and precise dimensional accuracy in channel formation, resulting in consistent structural integrity and smooth surface finish that meets strict industrial specifications.
Optimized Channel Forming
State-of-the-art forming technology creates precise angular bends and maintains material strength throughout the channel profile, ensuring optimal load distribution and structural stability for various construction applications.
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