2205 is a duplex (austenitic-ferritic) stainless steel containing about 40 - 50% ferrite in the annealed condition. 2205 has been a practical solution to chloride stress corrosion cracking problems experienced with 304/304L or 316/316L stainless. The high chromium, molybdenum and nitrogen contents provide corrosion resistance superior to 316/316L and 317L stainless in most environments. 2205 is not suggested for operating temperatures above 600°F.


ASTM A276 Duplex 2205 Round Bar Specification
| Grade | Duplex 2205 – UNS S32205 |
|---|---|
| Specification | ASTM A276 UNS S32205, 2205 Duplex Stainless Steel |
| Standard | ASTM, EN, JIS, ASME DIN, AISI, API, BS Round Bars |
| Length | 3 to 6 meter, Custom Cut Lengths |
| Round bars size | Diameter: 3mm - 450mm DIA |
| Flat bar size | Thickness: 2mm~100mm |
| Width: 10mm~500mm | |
| Square bar size | 4mm*4mm~100mm*100mm |
| Angle bar size | 3mm* 20mm* 20mm~12mm* 100mm* 100mm |
| Hex Bar size | 2mm~100mm |
| Rectangles Size | 33mm x 30mm to 295mm x 1066mm |
| Billet Size | 1/2" to 495mm Diameter |
| Finish | Grinding, Turned, Black, Rough Polish, NO.4 Finish, Centreless Ground, Bright Polished,Matt Finish & BA Finish |
| Tolerance | H13K9, K10, K11, K12, H12, H10, H8, H11, H9 or as per clients’ requirements |
| Surface |
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| Condition | Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished, Annealed round bar, Sheared & Edged, Rolled Flat |
| Technique | Duplex 2205 Cold Rolled, Hot Rolled, Forged Round Bar, Cold Drawn, Rod |
| Form | Half Round,Round, Hex (A/F), Triangle, Rectangle, Rod, Precision Ground Bar, Square, Profiles, Forging, Round Rod, Hollow, Rings, Blocks, Billet, Ingot, Threaded, T-Bar, Half Round Bar, Flat Bar, Channel Bar, I/H Bar, Angle Etc. |
| Manufacturing Process |
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| Heat Treatment |
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| Features |
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| Tolerances | according to EN 10278 - ISO 286-2 |
| Certificates | EN 10204 / 3.1 |
| Our Duplex 2205 round bar conforms to NACE MR0175/ISO 15156 | |
This high-performance alloy offers a variety of benefits, which include:
High heat conductivity
Low thermal expansion
Good weldability
Highly workable
Avoids stress corrosion cracking
High resistance to corrosion fatigue
We can produce Duplex 2205 round bar in following forms & shapes:
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