UNS S31803 / 2205 Super duplex stainless steel
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Features
- The combination of chromium, molybdenum and nitrogen make 2205 highly resistant to chloride pitting and crevice corrosion
- It has good weldability and workability
- 205 duplex stainless steel contains approximately 40-50% ferrite
Chemical Analysis
| % | Ni | Cr | Mo | Si | N | S | P | Fe |
| Min | 4.5 | 22 | 3 | 0.2 | 0.14 | - | - | Balance |
| Max | 5.5 | 23 | 3.5 | 0.7 | 0.2 | 0.02 | 0.03 | - |
Product Form
Sheet & plate
- Applications
- Chemical process vessels, heat exchangers
- Pulp mill digesters, bleach washers
- Flue gas desulfurization equipment
- Oil field piping and heat exchangers
- Food processing equipment
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