Aluminium, Commercial Alloy
5251 Aluminium O Sheet & Plate
Good formability and higher mechanical properties.
Aluminium alloy 5251 has good formability and is ideal for general sheet metal work where higher mechanical properties are required.
Mechanical properties shown are for O condition.
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5251 O Aluminium Related Specifications
| Tizim / Standart | Davlat / mintaqa | Sinf / Lavozim |
| Ikki nuqtali | AQSh | 5251-O |
| Birlashgan Millatlar Tashkiloti | Xalqaro | A95251 (5251-O) |
| Ingliz / Nemis | Yevropa | EN AW-5251-O / 3.3525 |
| EN Nom | Yevropa | AlMg2Mn0.3-O |
| Buyuk Britaniya | Xitoy | 5251-O |
| BS | Buyuk Britaniya | 5251 (N4) O |
| Afnor | Fransiya | A-G2M-O |
Xususiyatlari
Kimyoviy tarkib
Alloy 5251
| Kimyoviy element | % Hozir |
| Marganets (Mn) | 0.10 - 0.50 |
| Temir (Fe) | 0.00 - 0.50 |
| Mis (Cu) | 0.00 - 0.15 |
| Magniy (Mg) | 1.70 - 2.40 |
| Silikon (Si) | 0.00 - 0.40 |
| Rux (Zn) | 0.00 - 0.15 |
| Xrom (Cr) | 0.00 - 0.15 |
| Titan (Ti) | 0.00 - 0.15 |
| Boshqa (har biri) | 0.00 - 0.05 |
| Boshqalar (Jami) | 0.00 - 0.15 |
| Aluminiy (Al) | Muvozanat |
Mexanik xususiyatlari
Sheet and Plate 0.2mm to 50.00mm
| Mexanik xususiyat | Qiymat |
| Dalil stress | 60 Min MPa |
| Cho'zilish mustahkamligi | 160 - 200 MPa |
| Brinell qattiqligi | 44 HB |
Umumiy jismoniy xususiyatlari
| Jismoniy xususiyat | Qiymat |
| Zichlik | 2.69 g/cm³ |
| Erish nuqtasi | 625 °C |
| Issiqlik kengayishi | 25 x 10-6/K |
| Elastiklik moduli | 70 GPa |
| Issiqlik o'tkazuvchanligi | 134 W/m.K |
| Elektrik qarshiligi | 0.044 x 10-6 Ω .m |
Ilovalar
- Boats
- Panelling and pressings
- Marine structures
- Aircraft parts
- Vehicle panels
- Furniture tubing
- Silos
- Containers
Xususiyatlari
- Work hardening rapidly
- Readily weldable
- High corrosion resistance particularly in marine environments
Qo'shimcha ma'lumot
Yasalishi
| Process | Rating |
| Workability - Cold | Very Good |
| Mashinaga ishlov berish imkoniyati | Average |
Payvandlanuvchanlik
Aluminium alloy 5251 is a readily weldable alloy.
The recommended filler wire is 5356 when welding alloy 5251 to itself, 6XXX series alloys, 7XXX series alloys and most other 5XXX alloys.
When welding alloy 5251 to 5005, 5020, 1XXX series or 3XXX series alloys, the recommended filler wire is 4043.
| Process | Rating |
| Weldability - Gas | Very Good |
| Weldability - Arc | Very Good |
| Weldability - Resistance | Very Good |
| Brazability | Poor |
