| All data is for information only------(<---links) | |
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| PRODUCT DATA of AISI 309 |
| Material | AISI 309 |
| Product Datasheet | 309_309S_Data_Sheet |
| General Information | High-temperature strength and oxidation resistance |
| Processing and Assembly | building of industrial furnaces, apparatus engineering, hardening boxes, annealing pots, annealing boxes |
| Effects of Space environment | The natural oxide layer is not repaired in vacuum when damaged. Cold welding might occur in contact to similar materials |
| Chemical Composition | Fe-20Cr-12Ni-2Mn-2Si-0.2C |
| EXPERIENCE IN PRACTICE |
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| Development Status | Commercial Product |
| Cost Range | Low |
| Lot Reproducibility | Good |
| Equivalent Designations | 1.4828; X15CrNiSi20-12, S30900 |
| Space Experience | Good |
| PHYSICAL PROPERTIES |
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| Crystal Structure | Face centered cubic (fcc) |
| Specific Gravity | 8.03 |
| Magnetic Properties | Nonmagnetic |
| ELASTIC PROPERTIES |
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| Tensile Modulus | 200 GPa |
| Shear Modulus | 77 GPa |
| Poisson Ratio | 0.3 |
| THERMAL PROPERTIES |
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| Temperature Range | 1000 °C(maximum) In air |
| Melting Range | 1400 to 1460 °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: acc. to ECSS-Q-ST-70-36C Data Quality: Design Data |
| Bimetallic Corrosion | Can be connected without any restriction to: Cr, Au, Pt, C, Rh, Ag, Gun-metal, P-bronzes, Sn-bronzes, Ti+alloys
Can be connected in a non-controlled environment to the above and Cd, Cu, Brasses, Ni, monel, inconel, N-Mo alloys, 400 series stainless steel Can be connected in a clean room environment to above and Al-Cu alloys, Cu-Ni alloys, Al-bronzes, Si-bronzes Needs specific measures: All others Test:ECSS-Q-ST-70C Rev.1 Table 5.1 Data Quality: Design Data |