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| PRODUCT DATA of AA2618-T851 |
| Material | AA2618-T851 |
| General Information | The 2618 aluminium alloy is a wrought alloy which responds to an age-hardening heat treatment. |
| Chemical Composition | Si 0.1-0.25, Fe 0.9-1.3, Cu 1.9-2.7, Mg 1.3-1.8, Zn 0.1, Ni 0.9-1.2, Ti 0.04-0.1, Others: Each 0.05 Total 0.15, Rem. Al |
| Name of Manufacturer | Pechiney Rhenalu Issoire |
| EXPERIENCE IN PRACTICE |
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| Development Status | Commercial Product |
| Cost Range | Low |
| Equivalent Designations | AA 2618; AlCu2Mg1.5Fe1Ni1; A-U2GN, AU2GN; AlCu2Mg2Ni; LW3.1924; H16, Hiduminium RR; DTD717A, 724, 731A, 731B; 745A, 5084A, 5014A |
| PHYSICAL PROPERTIES |
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| Crystal Structure | Face centered cubic (fcc) |
| Specific Gravity | 2.76 |
| Magnetic Properties | Nonmagnetic |
| THERMAL PROPERTIES |
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| Thermal Conductivity | 147 W/m.K |
| Thermal Expansion Coefficient | 22.3 µstrain/°C Remark: @ temperature 20-100 C |
| Melting Range | 549 to 638 °C Solidus - Liquidus |
| RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY |
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| General Corrosion Status | Requires specific corrosion protection |
| Stress Corrosion Status | High Resistance to SCC: Table 1 Remark: Resistant (ECSS-Q-ST-70-36C) Tempers T6 and T8 are considered to be Table 1 alloys Data Quality: Design Data |
| Bimetallic Corrosion | Can be used in a non-controlled environment with: Al+alloys, Cd, Sn-Pb alloys, Sn, Pb
Can be used in a clean room environment with: as above and Mg, Ni, Monel, Inconel, Ni-Mo alloys, 300 series SS, 400 series SS, Ti and Ti alloys, Zn, Be Needs specific measures: All others Remark: ECSS-Q-ST-70C Rev.1 table 5.1 Data Quality: Design Data |