Aluminium Alloy - BS-L - L95 T651 Plate

L95 T651 Plate

Aircraft and military highly stressed structural components. Rolling stock for machine parts and tools (for rubber and plastics). Screws and bolts, nuts. Rivets. Nuclear applications.

Characteristic Properties:
Heat treatable very high strength alloy with a strength slightly lower than 7010. Very high fatigue strength. Joining preferably by rivets, adhesives or screws. Corrosion protection is recommended also in outdoor atmosphere.

Precautions and Warnings:
Care to be taken when selecting temper (and other thermal treatment) for balance of properties. May be clad with 7072 for better protection against stress corrosion cracking.

Chemical Composition

Spec: BS 2L95(1971)

Alloy L95

Chemical Element % Present
Silicon (Si) 0.0 - 0.40
Iron (Fe) 0.0 - 0.50
Copper (Cu) 1.20 - 2.00
Manganese (Mn) 0.0 - 0.30
Chromium (Cr) 0.10 - 0.25
Magnesium (Mg) 2.10 - 2.90
Zinc (Zn) 5.10 - 6.40
Titanium + Zirconium (Ti+Zr) 0.0 - 0.20
Other (Each) 0.0 - 0.05
Others (Total) 0.0 - 0.15
Tin (Sn) 0.0 - 0.05
Nickel (Ni) 0.0 - 0.05
Lead (Pb) 0.0 - 0.05
Aluminium (Al) Balance


Physical PropertyValue
Density 2.81 g/cm³
Melting Point 635 °C
Thermal Expansion 23.5 x10^-6 /K
Modulus of Elasticity 72 GPa
Thermal Conductivity 134-160 W/m.K
Electrical Resistivity 40 % IACS
'Typical' Physical Properties are given

Alloy Designations

Aluminium alloy L95 - 7075 is covered by standard BS 2L95 (1971).  BS2L95 (1971) was superseded by  BS EN 2126 on 15 October 1996.

Temper Types

The most common temper for L95 – 7075 aluminium is:

  • T651 - Solution heat treated, stress relieved by stretching then artificially aged

Supplied Forms

L93 – 7075 aluminium is supplied in Plate

  • Plate

Mechanical Properties

These Mechanical properties are for Plate in the T651 temper

Thickness (mm)Proof Strength (Min)Tensile Strength (Min)Elongation % (Min)
Over 6 to & incl. 12.54505308
Over 12.5 up to & incl. 254505306
Over 25 up to & incl. 404505305
Over 40 up to & incl. 634405105
Over 63 up to & incl. 904105005
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Last Datasheet Revision

9 January 2014


This Data is indicative only and as such is not to be relied upon in place of the full specification. In particular, mechanical property requirements vary widely with temper, product and product dimensions. All information is based on our present knowledge and is given in good faith. No liability will be accepted by the Company in respect of any action taken by any third party in reliance thereon.

Please note that the 'Datasheet Update' date shown above is no guarantee of accuracy or whether the datasheet is up to date.

The information provided in this datasheet has been drawn from various recognised sources, including EN Standards, recognised industry references (printed & online) and manufacturers’ data. No guarantee is given that the information is from the latest issue of those sources or about the accuracy of those sources.

Material supplied by the Company may vary significantly from this data, but will conform to all relevant and applicable standards.

As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose, whether expressed or implied.

Advice given by the Company to any third party is given for that party’s assistance only and without liability on the part of the Company. All transactions are subject to the Company’s current Conditions of Sale. The extent of the Company’s liabilities to any customer is clearly set out in those Conditions; a copy of which is available on request.