Aluminium Alloy - BS-L - L160 T73511 Bar

L160 T73511 Bar

Aluminium alloy L160 – 7075 is a very high strength alloy.
The standard specifying this grade has been superseded by BSEN 2127.

Chemical Composition

Spec: BS L160(1976)

Alloy L160

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) 0.18 - 0.28
Magnesium (Mg) 2.10 - 2.90
Zinc (Zn) 5.10 - 6.10
Titanium (Ti) 0.0 - 0.20
Titanium + Zirconium (Ti+Zr) 0.0 - 0.25
Other (Each) 0.0 - 0.05
Others (Total) 0.0 - 0.15
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

Alloy Designations

Aluminium alloy L160 has similarities to the following standard designations and specifications but may not be a direct equivalent:


Temper Types

The most common temper for L160 – 7075 aluminium is:

  • T7351 - Solution heat treatment then specially artifically aged for resistance to stress corrosion.

Supplied Forms

L160 – 7075 aluminium is supplied in Bar and Extruded Sections.

  • Bar
  • Extrusions

Mechanical Properties

These Mechanical properties are for Bar in the T73511 temper

Diameter (mm)Proof Strength (Min)Tensile Strength (Min)Elongation % (Min)
Up to & incl. 104004707
Over 10 up to & incl. 204204858
Over 20 up to & incl. 504154858
Over 50 up to & incl. 754104758
Over 75 up to & incl. 1003804507
Over 100 up to & incl. 1503654257
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Last Datasheet Revision

18 July 2019


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.