Aluminiy, ASTM va FED-QQ
QQ-A-200/11 T6511 Bar & Extrusion
Very high strength aerospace aluminium alloy.
A very high strength aerospace aluminium alloy with, depending upon temper, yield strength of 24-68 ksi (165 – 465 MPa) and tensile strength of 40-78 ksi (275 – 540 MPa).
This alloy is used where high strength is required and where good resistance to general corrosion is NOT important.
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QQ-A-200/11 T6511 Aluminium Related Specifications
| Tizim / Standart | Davlat / mintaqa | Sinf / Lavozim |
| Ikki nuqtali | AQSh | 7075-T6511 |
| Birlashgan Millatlar Tashkiloti | Xalqaro | A97075 (7075-T6511) |
| Ingliz / Nemis | Yevropa | EN AW-7075-T6511 / 3.4365 |
| EN Nom | Yevropa | AlZn5.5MgCu-T6511 |
| ASTM B221 | AQSh | 7075-T6511 extruded bar, rod, shapes & tube |
| BS (aerokosmik) | Buyuk Britaniya | L95-T6511 (7075-T6511 high-strength extrusions) |
| Afnor | Fransiya | A-Z5GU-T6511 |
Xususiyatlari
Kimyoviy tarkib
Alloy QQ A 200/11
SAE AMS QQ-A-200/11
| Kimyoviy element | % Hozir |
| Silikon (Si) | 0.00 - 0.40 |
| Temir (Fe) | 0.00 - 0.50 |
| Mis (Cu) | 1.20 - 2.00 |
| Marganets (Mn) | 0.00 - 0.30 |
| Xrom (Cr) | 0.18 - 0.28 |
| Magniy (Mg) | 2.10 - 2.90 |
| Rux (Zn) | 5.10 - 6.10 |
| Titan (Ti) | 0.00 - 0.20 |
| Boshqa (har biri) | 0.00 - 0.05 |
| Boshqalar (Jami) | 0.00 - 0.15 |
| Aluminiy (Al) | Muvozanat |
Umumiy jismoniy xususiyatlari
| Jismoniy xususiyat | Qiymat |
| Zichlik | 2,81 g/sm³ |
| Erish nuqtasi | 635 °C |
| Issiqlik kengayishi | 23,5 x 10⁻⁶/K |
| Elastiklik moduli | 72 GPa |
| Issiqlik o'tkazuvchanligi | 134-160 Vt/m·K |
| Elektrik qarshiligi | 40 % IACS |
Ilovalar
- Aerosuzov komponentlari
- Yuqori texnologiyali ilovalar
- Mudofaa komponentlari
Xususiyatlari
- Yuqori mustahkamlik
- Juda yaxshi ishlov berilish xususiyati
- Weldable using resistancce, spot & beam methods
- Poor resistance to atmospheric corrosion
Qo'shimcha ma'lumot
Mexanik xususiyatlari
Ushbu mexanik xususiyatlar T6511 qotishmasining temperlangan bar uchun mo'ljallangan.
| Diametri (mm) | Dalil kuchi (minimal) | Cho'zilish kuchi (min) | Cho'ziluvchanlik % (Min) |
| 6,3 gacha va 6,3 kiritilgan holda | 482 | 538 | 7 |
| Over 6.3 up to & incl. 12.7 | 503 | 558 | 7 |
| Over 12.7 up to & incl. 76.2 | 496 | 558 | 7 |
| Over 76.2 up to & incl. 114 | 489 | 558 | 7 |
| Over 114 up to & incl. 127 | 469 | 538 | 6 |
