LM1771 Aluminum Lithium (Al-Li) Alloy 1420

Catalog No. LM1771
Surface Polished
Thickness 1-20 mm
Width 100-450 mm
Diameter φ80-φ200

Aluminum–lithium alloys 1420 (Al-Li alloys) are a set of alloys of aluminum and lithium, often also including copper and zirconium. Stanford Advanced Material provides standard and other customized sizes Aluminum-Lithium alloy rolled plate/ingot. Our Aluminum Lithium (Al-Li) Alloy 1420 has reached the standard for supply to the institute of the military.

Related Products: Aluminum Lithium (Al-Li) Alloy 2090, Aluminum Lithium (Al-Li) Alloy VL30, Weldalite Aluminum Lithium (Al-Li) Alloy 049

Aluminum Lithium Alloy 1420 Description

Aluminum–lithium alloys 1420 (Al-Li alloys) are a set of alloys of aluminum and lithium, often also including copper and zirconium. Lithium is the lightest metal element in the world. The addition of lithium to aluminum reduces the specific gravity of the alloy and increases the stiffness while still maintaining high strength, good corrosion resistance and fatigue resistance, and suitable ductility.

Lithium reduces density and increases stiffness when alloyed with aluminum. With proper alloy design, aluminum-lithium alloys can have exceptional combinations of strength and toughness.

Al-Li-alloy Al-lithium-ingot

 

Aluminum Lithium Alloy 1420 Specifications

Metal Composition

Item#

Li

Cu

Mg

Zr

Ag

Zn

Mn

Others

1420

2.0

-

5

-

-

-

0.5

-


Metal Mechanic Property

Item#

E/Gpa

Rm/Mpa

Rpo2/Mpa

A/%

r/g cm-3

1420

73.8

448

310

8

2.49


Specifications for Delivery

type

cast ingot

rolled plate

Al-Li alloy

φ80-φ200mm

thickness:1-20mm
width:100-450mm

Al-Li intermediate alloy

Li:5%-30%

-

 

Aluminum Lithium Alloy 1420 Application

Aluminum Lithium Alloys are used in marine, aerospace, and electronic components because of their lightweight, good ductility, and corrosion resistance. The aerospace industry uses include wing leading and trailing edges, fuselage bulkhead webs, and internal framework parts. Al-Li is being considered for many applications in advanced aircraft including wing structures.

Aluminum Lithium Alloy 1420 Packaging

As required.

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