
2205 duplex stainless steel, high strength, corrosion resistance, by 50% austenite and 50% ferrite composition,It has both austenitic and ferrite microstructure, which makes it both high strength and good corrosion resistance It is a high performance stainless steel material, widely used in oil and gas, chemical, Marine and food processing and other fields, welding needs to match welding materials, pay attention to cleaning and maintenance, moisture and rust prevention.
Mechanical properties
Yield strength Ts (Mpa) : ≥ 450-670
Elongation El (%) : ≥ 620-875Hardness Hv: ≥ 18-27
2.0t/2B (MPa) : ≤ 320-280
Physical properties
Density (g/cm³) : 7.8
Specific heat (J/g·°C) : 0.45
Thermal conductivity 100°C (W/m·°C) : 19.0
Thermal expansion rate 20~100°C (10^-6/°C) : 13.7
Chemical composition
Composition | C | Si | Mn | P | S | Cr | Ni | Mo | N |
Minimum | - | - | - | - | - | 22 | 4.5 | 3 | 0.14 |
Maximum | 0.03 | 1 | 2 | 0.03 | 0.02 | 23 | 6.5 | 3.5 | 0.2 |






Q1: What product information do I need to provide?
A1: You need to provide the grade, width, thickness, coating and quantity you need to purchase.
A2: stock products: 3-7 days after payment. Custom product delivery time: 20-45 days after payment.
Q3: Do you have inspection for the products before packing?
Q4: Can I get your best price?
A4: Price is different based on steel grade, size and quantity.Our goal is to provide you the best price with great quality