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ATI 2102 (Lean Duplex) vs Duplex 2205
Property comparison of ATI 2102 (Lean Duplex) and Duplex 2205, both stainless steel.
| Property | ATI 2102 (Lean Duplex) | Duplex 2205 | Difference |
|---|---|---|---|
| Yield strength | 519 MPa | 450 MPa | -13% |
| Tensile strength | 700 MPa | 620 MPa | -11% |
| Elongation | 30 % | 25 % | -17% |
| Elastic modulus | 200,000 MPa | 190,000 MPa | -5% |
| Poisson ratio | 0.31 | 0.3 | -3% |
| Density | 7,750 kg/m³ | 7,700 kg/m³ | -1% |
| Brinell hardness | 293 HB | 217 HB | -26% |
| Thermal conductivity | 15.7 W/m·K | 15 W/m·K | -4% |
| Coefficient of thermal expansion | 0.000013 1/K | 0.000014 1/K | +2% |
Difference is Duplex 2205 relative to ATI 2102 (Lean Duplex). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
ATI 2102 (Lean Duplex)
- grade
- UNS S82011
- standard
- ASTM A240
- heat treatment
- Annealed
Duplex 2205
- grade
- S32205/S31803
- standard
- ASTM A240/A276
- heat treatment
- Annealed
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