| Data still to be completed------(Home) | |
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| PRODUCT DATA of AISI 409 |
| Material | AISI 409 |
| General Information | Ferritic stainless steel |
| Chemical Composition | 10.5-11.75Cr, 0.08C, 1Mn, 0.5Ni, 6xC Ti, rem Fe |
| EXPERIENCE IN PRACTICE |
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| Equivalent Designations | UNS S40900, 1.4720, 1.4612 |
| PHYSICAL PROPERTIES |
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| Crystal Structure | Face centered cubic (fcc) |
| Magnetic Properties | Ferromagnetic |
| THERMAL PROPERTIES |
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| Thermal Conductivity | 24.9 W/m.K |
| Thermal Expansion Coefficient | 11.7 μstrain/°C |
| RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY |
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| General Corrosion Status | No specific corrosion protection required |
| Stress Corrosion Status | High Resistance to SCC: Table 1 Remark: Tempering between 371oC and 593oC shall be avoided because corrosion and stress corrosion cracking resistance is lowered. Data Quality: Design Data |
| Bimetallic Corrosion | Can be connected without any restriction to: Cr, Au, Ag, Gun-metal, P-bronzes, Sn-bronzes, Ti+alloys, Ni, Monel, Inconel, Ni/Mo alloys
Can be connected in a non-controlled environment to the above and Cd, austenitic cast iron, Cu, Brasses, Al-bronzes, Si-bronzes, Au, Pt, C, Rh, Sn-Pb alloys, Sn, Pb, 300 series stainless steels Can be connected in a clean room environment to above and Al-Cu alloys Needs specific measures: All others Test:ECSS-Q-ST-70C Rev.1 Table 5.1 Data Quality: Design Data |