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| PRODUCT DATA of IMI 829 |
| Material | IMI 829 |
| Product Datasheet | IMI 829 |
| General Information | TIMETAL 829 is a weldable, high strength, high temperature (540°C) creep resistant alloy specifically developed for gas turbine engine components. TIMETAL 829 is a near alpha alloy but includes both alpha and beta stabilizer alloying elements. TIMETAL 829 can be worked in the beta phase field, but to avoid the formation of an unacceptably large beta grain size, a process route involving alternate beta and alpha + beta working is recommended. data from timet |
| Chemical Composition | Ti-5.6Al-3Zr-3.5Sn-1Nb-0.25Mo |
| Name of Manufacturer | TIMET
The Hub,Holford Road, Witton, Birmingham B6 7AX, UK +44 121 356-1155 EuroSales@timet.com +44 121 356-5413 www.timet.com |
| PHYSICAL PROPERTIES |
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| Specific Gravity | 4.54 |
| Phase changes | Beta transus at 1015C |
| Magnetic Properties | Nonmagnetic |
| THERMAL PROPERTIES |
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| Thermal Conductivity | 6.9 W/m.K Data Quality: Manufacturer's data |
| Thermal Expansion Coefficient | 9.45 μstrain/°C Remark:From 20 to 200C Data Quality: Manufacturer's data |
| RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY |
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| Stress Corrosion Status | High Resistance to SCC: Table 1 |
| Bimetallic Corrosion | Can be connected without any restriction to: Cr, Cu, Brass, Cu-Ni alloys, Al-bronzes, Si-bronzes, Gun metal, P-bronzes, Sn-bronzes, Ag, 300 and 400 series stainless steel, low alloy steel, Au, Pt, C, Rh
Can be connected in a non-controlled environment to the above and Ni, Monel, Inconel, Ni-Mo alloys Can be connected in a clean room environment to above and Cd, Al-Cu alloys Needs specific measures: All others Test:ECSS-Q-ST-70C Rev.1 Table 5.1 Data Quality: Design Data |