Alcoa 2024 was introduced by Alcoa in 1931 as the first alloy to have a yield strength approaching 345 MPa (50 ksi). With relatively good fatigue resistance in plate forms, alloy 2024 continues in many aerospace structural applications. This datasheet provides information on composition, physical properties, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as surface treatment. Filing Code: AL-372. Producer or source: Alcoa Mill Products Inc.

Alcoa extrusion alloy 2026 was developed as an improvement over 2024 and 2224 extrusions in aerospace structural applications where the governing selection criteria are high damage tolerance, good fatigue resistance, and a high degree of manufacturability. In addition to improved damage tolerance, extrusion alloy 2026-T3511 also has a significantly higher A-basis minimum strength than 2024-T3511 and 2224-T3511. This datasheet provides information on composition, tensile properties, and compressive strength as well as fatigue. It also includes information on corrosion resistance as well as forming. Filing Code: AL-401. Producer or source: AEAP-Alcoa Engineered Aerospace Products.

BRUSH WELLMAN S-65B is a grade of beryllium strengthened by a dispersion of beryllium oxide. It has moderate strength and fairly low ductility (a minimum of 3% elongation). Its uses include optical applications, nuclear reactors, instrumentation, X-ray windows, high-speed computer parts, audio components and aerospace structural applications. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Be-3. Producer or source: Brush Wellman Inc..

Carpenter Ferrium S53 is both corrosion resistant and ultrahigh-strength for aerospace structural applications. Please see updated designation and information on this alloy in Alloy Digest SA-589, December 2008. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, and machining. Filing Code: SS-1003. Producer or source: Carpenter Specialty Alloys. Originally published December 2007, revised December 2008.

LOCKALLOY is a beryllium-aluminum alloy that was developed for aerospace structural applications where high modulus and low density are design criteria. This datasheet provides information on composition, physical properties, elasticity, tensile properties, and compressive, shear, and bearing strength as well as fracture toughness and fatigue. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Be-1. Producer or source: Kawecki Berylco Industries Inc..

Alloy IN 939 was developed for turbine airfoils and has been used extensively in industrial gas turbines. However, the development of the alloy and the joining technology required for application to large structural components in aero engines includes risks. This datasheet covers a weldable version of the alloy. This datasheet provides information on composition and tensile properties. It also includes information on casting. Filing Code: Ni-719. Producer or source: Cannon-Muskegon Corporation.

Aluminum 7xxx series alloys contain zinc as the main alloying element, usually in combination with magnesium and copper. High-strength 7020 alloy is widely used in aerospace structures and is approved by the world’s leading airframe builders. For engineering applications this alloy is generally used in the T651 temper in order to provide maximum strength. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: AL-400. Producer or source: Alcoa Mill Products Inc.

ALCOA Alloy 2090 is an aluminum-lithium alloy with 8% lower density and 12% higher elastic modulus than 7075-T6, a major high-strength alloy used in aircarft structures. Special facilities and practices required for casting commercial size aluminum-lithium ingots have been developed to cope with the highly reactive nature of lithium in molten aluminum. In general, the alloy should be considered for use in light-weight structures requiring high strength and stiffness. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on low and high temperature performance, and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Al-299. Producer or source: Aluminum Company of America.

Alcoa has developed this Al-Li alloy with the benefits of excellent corrosion resistance, a good spectrum of fatigue crack growth performance, a good strength and toughness combination, and compatibility with standard manufacturing techniques for aircraft internal structures. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as forming. Filing Code: Al-439. Producer or source: Alcoa Engineered Aerospace Products.

This producer has pioneered the development of the -T77 temper, a high strength corrosion resistant temper for Alloy 7150 plate and extrusions. Alloy 7150-T77 provides weight savings opportunities in structure governed by static strength requirements but where "overaged" condition corrosion resistance is required. This datasheet provides information on composition, tensile properties, and compressive strength. It also includes information on corrosion resistance as well as forming. Filing Code: Al-442. Producer or source: Alcoa Mill Products Inc..

The 7xxx series alloys contain zinc as the main alloying element, usually in combination with magnesium and copper. Alcoa’s high-strength 7055 alloy is supplied as plate and extrusions and used for compressive strength applications. This datasheet provides information on composition, tensile properties, and compressive strength as well as fracture toughness. It also includes information on corrosion resistance as well as forming. Filing Code: AL-428. Producer or source: Alcoa Mill Products Inc.

Alcan 7449 T7651 plates were developed with a better strength/corrosion-resistance balance than the incumbent alloy 7150. Aerospace applications include parts, ribs, and frames. This datasheet provides information on composition, physical properties, and tensile properties as well as fracture toughness and fatigue. It also includes information on forming and heat treating. Filing Code: AL-406. Producer or source: Alcan Inc.

Alcan 7449 T7951 plates were developed with a better strength/corrosion-resistance balance over the incumbent alloy 7150. This temper produces better age-forming capability. Aerospace applications include parts, ribs, and frames. This datasheet provides information on composition, tensile properties, and compressive strength as well as fracture toughness. It also includes information on corrosion resistance as well as forming and heat treating. Filing Code: AL-407. Producer or source: Alcan Inc.

Kaiser aluminum alloy 2124 is a high-purity version of 2024 with tighter controls on the iron and silicon for an increase in strength and toughness. It is primarily used as plate in the aircraft industry. This data sheet applies to sheet, coil, and plate in the T851 temper. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: AL-413. Producer or source: Tennalum, A Division of Kaiser Aluminum.

Kaiser Aluminum alloy 7175/7475 is a high-purity version of 7075 and is heavily used by the aircraft and ordinance industries because of its superior strength. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on forming and heat treating. Filing Code: AL-414. Producer or source: Tennalum, A Division of Kaiser Aluminum.

Alcan 7449 is an Al-Mg-Zn-Cu-Zr alloy, developed to provide higher-strength properties than incumbent 7175 and 7150 alloys. This data sheet covers the Alcan alloy 7449 in the forms of thick extrusions and extruded bars. Tempers are presented that show improvement over both 7150 and 7175 aluminum alloys. This datasheet provides information on composition, physical properties, elasticity, and tensile properties and bearing strength as well as fatigue. It also includes information on corrosion resistance as well as forming and heat treating. Filing Code: AL-403. Producer or source: Alcan Inc.

ALCOA 2099 is an aluminum-lithium alloy developed for aerospace applications. Lithium lowers the density. This datasheet provides information on composition, physical properties, tensile properties, and compressive strength as well as fatigue. It also includes information on corrosion resistance as well as forming. Filing Code: AL-422. Producer or source: AEAP-Alcoa Engineered Aerospace Products.

The aluminum-lithium alloy 2099, also designated C460, was developed for use in aerospace and high-strength applications. The alloy has a lithium addition for lowered density compared to more conventional alloys. This datasheet provides information on composition, physical properties, tensile properties, and compressive strength as well as fracture toughness and fatigue. It also includes information on corrosion resistance as well as forming. Filing Code: AL-398. Producer or source: AEAP-Alcoa Engineered Aerospace Products.

WC Ta-10W is a tantalum-base alloy having a combination of low-temperature ductility and fabricability in both the recrystalilzed and wrought conditions, as well as excellent weld ductility. Developed originally for structural applications at elevated temperatures, it is now available in a complete line of aerospace hardware. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Ta-1. Producer or source: Teledyne Wah Chang Albany.

Alcoa Aluminum Alloy 6013 is a high-strength Al-Mg-Si-Cu alloy. It is available in five tempers. It is crossing many market areas of applications in aerospace, defense, automotive and general structural use. This datasheet provides information on composition, physical properties, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Al-282. Producer or source: Aluminum Company of America. Originally published September 1987, revised July 1988.