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2218 Super duralumin alloy aluminum Billet for Forging in Airplane engine cylinder head and piston application
Quickly details
Alloy 2218-T72:Mechanical properties:
Tensile strength (kg/mm2) | yield point, elongation(kg/mm2) | Elongation(%) | brinell hardness
| shear strength(kg/mm2)
| fatigue strength(kg/mm2) |
| 33.75 | 26.01 | 11 | 95 | 21.09 | - |
Normal size:Φ166,Φ220,Φ380,Φ396,Φ448,Φ462,Φ566,Φ582,Φ915,Φ1060,Φ1220,Φ1320
2218 aluminum alloy Application:
Airplane engine cylinder head and piston.
2218 aluminum alloy Chemical Composition Standard
| Cu | Mg | Mn | Fe | Si | Zn | Ni | Cr | Other | Al |
| 3.5-4.5 | 1.2-1.8 | 0.2 | 1.0 | 0.9 | 0.25 | 1.7-2.3 | 0.1 | 0.15 | Balance |
Summary of 2218 aluminum
Many individual strengths of alloy 2218 is complete. Is to meet the requirements of modern industry of high precision of product and development.
2218 good flatness; High precision surface; Strong ability of thermal shock, resistance to deformation; High speed machining, little deformation
2218 is the most perfect combination of dimensional accuracy and thermal stability.
2218 is according to the different thickness, separately for continuous casting. Using the latest achievements of foundry technology, the molten metal was continuous feeding, revoke the defects caused by the interval and the seam, because the two sides of the plate heat dissipation at a steady rate, so the aluminum plate thermal gradient is stable. SNIF filtering methods and the use of the degassing system to ensure that the product has no holes and impurities.
MIC6 aluminum plate
After 2218 because of the casting in granular structure and the characteristics of the stress release, can high speed cutting is a very small deformation. Use the correct processing method, the tolerance can be keep within 0.1 silk.
2218 aluminum alloy features:
1. Good formability and weldability. 2. High strength.
3. Good workability, good interface characteristics.
4. Easy processing, easy to coating.
5. Good corrosion resistance, oxidation resistance.
2218 aluminium Main application:
Aviation fixtures, truck, tower building, vessel, pipeline and other needs to have strength, weldability and corrosion resistance of building on the field of application. Such as: aircraft parts, camera lens, coupler, ship accessories and hardware, electronic accessories and fittings, decorative or various hardware, hinges, head, head, brake piston, hydraulic piston, electrical accessories, valve and valve parts.
Package: wooden pallet
Aluminium forging alloy & forging product size.
| Alloy | Products size | |
Diameter (mm) | Max. length (mm) | |
2xxx 2218 A2218 A92218 | Φ166 | 7500 |
| Φ220 | 7500 | |
| Φ380 | 7500 | |
| Φ396 | 7500 | |
| Φ448 | 7500 | |
| Φ462 | 7500 | |
| Φ566 | 7500 | |
| Φ582 | 7500 | |
2xxx 2218 A2218 A92218 | Φ915 | 4500 |
| Φ1060 | 4000 | |
| Φ1220 | 4000 | |
| Φ1320 | 3500 | |
Remark:1. Billet peeling is available.
2. The cut-to-length product is available upon to customer’s
request.
Aluminium forging alloy & forging product application
| Alloy | forging product application |
| 2218 | Airplane engine cylinder head and piston |
Aluminium forging alloy & forging product application pictures:
