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Technical Specifications
Product Overview
304-2B Stainless Steel Sheet is manufactured from premium grade 304 austenitic stainless steel with a standard 2B mill finish. This versatile sheet material offers excellent corrosion resistance, formability, and weldability, making it the most widely used stainless steel grade for general purpose applications.
Key Features:
- Excellent corrosion resistance in most environments
- Superior formability and deep drawing capabilities
- Non-magnetic in annealed condition
- FDA approved for food contact applications
- Easy to clean and maintain hygienic surface
- Cost-effective solution for diverse applications
2B Surface Finish: Cold rolled, annealed, and pickled with a smooth, moderately reflective finish that is ideal for most industrial and architectural applications. The 2B finish provides good formability while maintaining an attractive appearance.
Applications: Kitchen equipment, food processing machinery, chemical processing equipment, architectural panels, automotive trim, medical equipment, pharmaceutical equipment, dairy equipment, and general fabrication projects requiring corrosion resistance and aesthetic appeal.
🧪 Chemical Composition
| Element | Min % | Max % | Typical % | ASTM A240 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 | 40% min | 50% | 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 Size | Custom Available | Tolerance |
|---|---|---|---|---|
| Thickness | 0.3mm - 50mm | 1.0mm - 6.0mm | Yes | ±0.05mm |
| Width | 600mm - 2000mm | 1000mm, 1219mm, 1500mm | Yes | ±3mm |
| Length | 1000mm - 6000mm | 2000mm, 2438mm, 3000mm | Yes | ±5mm |
| Surface Finish | 2B, BA, No.4, HL, Mirror | 2B | Yes | Ra ≤ 0.4μm |
| Edge Condition | Mill Edge, Slit Edge | Mill Edge | Both | ASTM A480 |
| Flatness | ≤ 3mm/m | ≤ 2mm/m | Yes | ASTM A480 |
| Standards Compliance | ASTM A240, A480, JIS G4304 | ASTM A240 | Multiple | Full compliance |
| Condition | Annealed, Cold Rolled | Annealed | Both | ASTM A240 |
| Test Certificate | Mill TC, EN 10204 3.1 | Mill TC | Yes | Standard |
| Packaging | Wooden Crates, Steel Pallets | Wooden Crates | Custom | Export standard |
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Our Advantages in Processing แผ่นสเตนเลสสตีล 304-2B
Superior 2B Surface Finish
The specialized 2B finishing process creates a smooth, semi-reflective surface through precise cold rolling and heat treatment, resulting in enhanced corrosion resistance and improved aesthetic appeal ideal for visible applications.
304 Grade Processing Control
Manufactured using strict composition control of chromium and nickel content during the 304 grade production, ensuring consistent mechanical properties and optimal formability for diverse industrial applications.
Precision Sheet Rolling
Advanced cold rolling technology maintains tight thickness tolerances and superior flatness across the entire sheet surface, enabling consistent quality and excellent workability for downstream fabrication processes.
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