Aluminium, AMS
AMS 4342 T74511 Bar & Extrusion
High strength aerospace aluminium alloy with good resistance to stress-corrosion cracking.
Used in aircraft structural parts, aluminium alloy AMS 4342-7050 is an aerospace grade of aluminium combining high strength, stress corrosion cracking resistance and toughness.
It is particularly suited for heavy plate applications (3″ to 6″ thick) due to its lower quench sensitivity and retention of strength in thicker sections.
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Menzil
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4342 T74511 Aluminium Related Specifications
| Sistem / Standart | Ülke / Bölge | Grade / Designation / Note |
| AA | ABD | 4342-T74511 – non-standard / proprietary aluminium designation |
| EN / DIN | Avrupa | No standard EN AW grade published as “4342” in T74511 temper |
| UNS | Uluslararası | No official UNS aluminium number assigned for 4342-T74511 |
| GB / JIS / BS | China / Japan / UK | No widely recognised aluminium equivalents under these systems |
Özellikler
Kimyasal Bileşim
Alloy 4342
SAE AMS 4342
| Kimyasal Element | % Mevcut |
| Silisyum (Si) | 0.00 - 0.12 |
| Demir (Fe) | 0.00 - 0.15 |
| Bakır (Cu) | 2.00 - 2.60 |
| Manganez (Mn) | 0.00 - 0.10 |
| Magnezyum (Mg) | 1.90 - 2.60 |
| Krom (Cr) | 0.00 - 0.04 |
| Çinko (Zn) | 5.70 - 6.70 |
| Zirconium (Zr) | 0.08 - 0.15 |
| Titanyum (Ti) | 0.00 - 0.06 |
| Diğer (Her biri) | 0.00 - 0.05 |
| Diğerleri (Toplam) | 0.00 - 0.15 |
| Alüminyum (Al) | Denge |
Mekanik Özellikler
Bar
SAE AMS 4342
| Mekanik Mülkiyet | Değer |
| Kanıt Stres | 434 Min MPa |
| Çekme Dayanımı | 503 Min MPa |
| Elongation A50 mm | 6 Min % |
Uygulamalar
- Aircraft structural parts
- Fuselage frames
- Bulkheads
- Wing skins
Özellikler
- High strength
- Good resistance to exfoliation and stress cracking
- Good fracture toughness & fatigue resistance
