Features
- Higher corrosion resistanceconductivity
- Fire and heat resistance
- Strength to weight advantage
- Toughness and impact resistance
- Ease of Fabrications
- Hygiene
- Aesthetic Appearance
- Low maintenance cost
- Long Term Value
Duplex Steel 2205 Bar
Home Duplex Steel 2205 Bar
Mechanical Properties
2205 |
|
Tensile strength (min) |
655 MPa |
0.2% Proof Strength (min) |
450 MPa |
Elong. (in 50mm) (min) |
25% |
Hardness (max) |
293 HB |
Chemical Composition of Duplex Steel 2205 Bar
| Grade | UNS No | C % | Cr % | Ni % | P % | Si % | S % | Mo % | N % | Mn % |
| 2205 | S32205 | 0.03 | 22.0-23.0 | 4.5-6.5 | 0.03 max | 1 max | 0.02 max | 3.0-3.5 | 0.14-0.20 | 2.0 |
Physical Properties of Duplex Steel 2205 Bar
| Density (Kg / M3) | Modulus of Elasticity (GPa) | Poisson’s Ratio | Thermal Conductivity (W/moC) | Thermal Capacity (I/KgoC) | Electrical Resistivity |
| 7800 | 200 | 0.3 | 15 | 500 | 0.80 |
Specifications
- Standards: ASTM / ASME SA 790
- Grades: UNS No. S 31803, S 32205, S 32550, S 32750 and S 3276
Benefits
- High strength
- High resistance to pitting, crevice corrosion resistance.
- High resistance to stress corrosion cracking, corrosion fatigue and erosion
- Good sulfide stress corrosion resistance
- Low thermal expansion and higher heat conductivity than austenitic steels
- Good workability and weld ability
- High energy absorption
Applications
- Pump Shafts
- Heat Exchangers
- Water heaters Pressure vessels
- Valve Components
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