L97
L97
- Aircraft components
- General engineering
- High strength fabricated and machine parts for aircraft
- Structural applications
- Rivets
- Military equipment
- Truck wheels
L97 is a heat-treatable aluminium alloy known for its high strength, high fatigue strength, and excellent machining characteristics. It is primarily used in the aerospace industry for high strength fabrication or machined parts. The alloy is slightly stronger than 2014(A), 2017A, and 2030, with T351 being the most common temper.
- High strength alloy
- High fatigue strength
- Very good machining characteristics
- Suitable for welding only by resistance welding
| Element | Min | Max |
|---|---|---|
| Mn | 0.30 | 0.90 |
| Mg | 1.20 | 1.80 |
| Ni | - | 0.05 |
| Pb | - | 0.05 |
| Ti+Zr | - | 0.20 |
| Fe | - | 0.50 |
| Si | - | 0.50 |
| Zn | - | 0.20 |
| Cr | - | 0.10 |
| Sn | - | 0.05 |
| Cu | 3.80 | 4.90 |
| Al | Balance | |
| Thickness (mm) | Proof Strength (min) | Tensile Strength (min) | Elongation % (min) |
|---|---|---|---|
| Over 6 up to & incl. 12.5 | 280 | 430 | 10 |
| Over 12.5 up to & incl. 25 | 280 | 430 | 10 |
| Over 25 up to & incl. 40 | 280 | 420 | 9 |
| Over 40 up to & incl. 63 | 270 | 410 | 9 |
| Over 63 up to & incl. 90 | 270 | 410 | 8 |
| Over 90 up to & incl. 115 | 270 | 400 | 8 |
| Over 115 up to & incl. 140 | 260 | 390 | 7 |
Our team of qualified metallurgists and engineers is available for further technical support.
L97 - 2024 is covered by standard BS 2L97 (1971).
Corrosion protection is only effective with cladding or other protection methods.
Available in plate form.
Very good.
All information is based on approximate testing and is provided to the best of our knowledge. It does not constitute a guarantee of properties or processing possibilities. Warranties and liabilities are stated in our terms of trading.
Catalog excerpts
L97 Aluminium T351Technical Datasheet Aluminium Plate Service. Quality. Value. Typical Applications • Aircraft components • General engineering • High strength fabricated and machine parts for aircraft • Structural applications • Rivets • Military equipment • Truck wheels • High strength alloy • High fatigue strength • Very good machining characteristics • Suitable for welding only by resistance welding L97 is a heat-treatable aluminium alloy which offers high strength, high fatigue strength and very good machining characteristics. Used in high strength fabrication or machined parts in the aerospace industry, the alloy is slightly higher in strength than 2014(A), 2017A and 2030. The most common temper for L97 aluminium alloy is T351. Aluminium alloy L97 - 2024 is covered by standard BS 2L97 (1971) Corrosion protection only with cladding or other protection method. Machinability Plate Very good Chemical Composition (weight %) Min. All information in our data sheet is based on approximate testing and is stated to the best of our knowledge and belief. It is presented apart from contractual obligations and does not constitute any guarantee of properties or of processing or application possibilities in individual cases. Our warranties and liabilities are stated exclusively in our terms of trading. © Smiths Metal Centres 2017
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