Premium AISI 2205 Duplex Stainless Steel from Gnee Steel
Mar 23, 2026
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🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.030 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.020 |
| Chromium (Cr) | 22.0 - 23.0 |
| Nickel (Ni) | 4.5 - 6.5 |
| Molybdenum (Mo) | 3.0 - 3.5 |
| Nitrogen (N) | 0.14 - 0.20 |
| Iron (Fe) | Balance |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (Rm) | 620 - 880 MPa |
| Yield Strength (Rp0.2) | ≥ 450 MPa |
| Elongation (A5) | ≥ 25% |
| Hardness (HRC) | ≤ 31 |
| Impact Energy (KV at 20°C) | ≥ 60 J |
| Fatigue Limit (107 cycles) | 280 MPa |
| Modulus of Elasticity | 200 GPa |
| Poisson's Ratio | 0.28 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density | 7.8 g/cm³ |
| Melting Point | 1350 - 1400°C |
| Thermal Conductivity (20°C) | 14 W/m·K |
| Thermal Expansion (20-100°C) | 13×10-6/K |
| Specific Heat Capacity | 480 J/kg·K |
| Electrical Resistivity (20°C) | 0.85 µΩ·m |
| Magnetic Permeability | Ferromagnetic |
| Curie Temperature | Approximately 50°C |
📏 Product Specifications
| Specification | Available Options |
|---|---|
| Product Forms | Plates, Sheets, Bars, Rods, Tubes, Pipes, Forgings |
| Plate Thickness | 3 - 150 mm |
| Sheet Thickness | 0.5 - 6 mm |
| Bar Diameter | 6 - 300 mm |
| Tube Outer Diameter | 6 - 610 mm |
| Standards | ASTM A240, A479, A790, EN 10088-2, JIS G4305 |
| Surface Finish | 2B, BA, No.4, HL, Mirror, Pickled |
| Tolerance | ±0.1 mm (thickness), ±1 mm (width/length) |
| Length | Up to 12 meters (standard), Custom lengths available |
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