Aluminium Alloy 2618A (Aluminum 2618)

Technical Data Sheet


Chemical Composition Limits
Weight% Al Si Fe Cu Mn Mg Ni Zn Ti Zr + Ti Other Each Others Total
2618 USA Rem 0.10-0.25 0.9-1.3 1.9-2.7 - 1.3-1.8 0.9-1.2 0.10 max 0.04-0.10 - 0.05 max 0.15 max
2618A EAA Rem 0.15-0.25 0.9-1.4 1.8-2.7 0.25 max 1.2-1.8 0.8-1.4 0.15 max 0.20 max 0.25 max 0.05 max 0.15 max

Aluminium Alloy 2618A (Aluminum 2618) is a high strength aluminium alloy which contains both copper and magnesium. Alloy 2618 (2618A) has good machinability and is fair resistance to atmospheric attack. Aluminium Alloy 2618A (Aluminum 2618) is typically used in aerospace and defence components. It is commonly used for pistons and rotating aircraft parts due to it's ability to work in higher temperature applications. 2618 is also used in high performance autosport applications.

Typical Mechanical Properties


Material Size Diameter (mm) Tensile Strength min (N/mm²) Yield Strength min (N/mm²) Elongation in 50 mm %
2618A Extruded Bar <10 400 320 5
2618 Extruded Bar 10-100 420 340 7

Aluminium Alloy 2618A (Aluminum 2618) is available in Plate, Bar, Rod, Sheet, Forging Stock and Tube. For all stock availability of Aluminium 2618 contact Sales

DTD 717A T6 Forging Stock and Forgings
DTD 731B T6 Forging Stock and Forgings
DTD 745A T6 Forging Stock and Forgings
DTD 5070B Clad Sheet and Strip (DTD5070)
DTD 5014 A Bars and Sections (DTD5014)
DTD 5084A T6 Forging Stock and Forgings
MSRR 8018
MSRR 8016 Plate
BS Pre-1980 H16
CM001-1 T6
CM001-3 H28
Hiduminium 58
SO7-1103 (S07-1103)
UNI 9002/6
AIRBUS - ABM1-1006
BAEM 1101 and BAEM 1103
MM 0531
AIR 9048.640 T351, T851
AIR 9051A
AIR 9048.150
AIR 9048.640
Werkstoff Nr. 3.1924 T651
EN 2123 T351, T851
EN 3553 T6511 BAR
CCT LA 767

At Aircraft Materials all stock items can be shipped out within 24 hours, usually within the same day. Even cutting orders for bar or sheet can be processed and dispatched the same day, and for time-critical situations such as AOGs, we have a dedicated AOG service desk ready to help (

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Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

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