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SHP 2099 Ultimate is a high-strength aluminium lithium alloy ideal for use in environments requiring low density, high stiffness, superior damage tolerance and excellent corrosion resistance. The alloy was developed specifically for use in motorsport, aerospace and high strength applications. Lithium additions increase the strength and modulus of aluminium alloys while lowering denseness. Alloy 2099 extrusions are available in three tempers from 0.5 to 3.00 inch in T83 and 160mm to 200mm in T8 temper. This material grade offers high strength and excellent corrosion resistance with moderate fracture toughness.
Alloy 2099 extrusions can replace 2xxx, 6xxx, and 7xxx, aluminium alloys in applications such as:
The corrosion resistance of Alloy 2099 is much better than 7075-T6511 and 2024-T3511 with both the T8E67 and T83 tempers receiving EA (mild exfoliation) or better exfoliation ratings compared to the conventional alloys ED (very severe intergranular corrosion). Stress-corrosion cracking performance is also much improved.
Fatigue crack growth resistance and the S/N fatigue performance also shows improvement vs 2024-T3511, which has been a standard product for applications considered fatigue critical. The alloy is superior when compared to the alloy 2219 in elevated temperature.
We are a leading stockholder and supplier of high-performance engineering materials to the motorsport sector. We are supply partners in a range of specialist motorsport markets including Formula 1, Formula E, NASCAR, MOTO GP, WEC & WRC.