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Aluminium, BS-L

L160 T3511 (7075) Bar & Extrusion

Very high strength aerospace aluminium alloy.

L160 is a high strength alloy that is solution treated and artificially over-aged to achieve best stress corrosion resistance and controlled stretched (T73511 condition).

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L160 T3511 Aluminium Related Specifications

System / Standard Country / Region Grade / Designation / Note
AA USA No single official AA number; L160-T3511 is a BS aerospace designation
UNS International No specific UNS aluminium number published for L160-T3511
EN / DIN Europe No unique EN AW mapping; material ordered to BS L160 specification
GB (BS Aerospace) United Kingdom L160-T3511 – aluminium alloy extruded bars/sections, T3511 temper
JIS Japan No direct JIS aluminium equivalent published
AFNOR France No direct AFNOR aluminium equivalent published

Properties

Chemical Composition

Alloy L160

BS L160 (1976)

Chemical Element % Present
Silicon (Si) 0.00 - 0.40
Iron (Fe) 0.00 - 0.50
Copper (Cu) 1.20 - 2.00
Manganese (Mn) 0.00 - 0.30
Chromium (Cr) 0.18 - 0.28
Magnesium (Mg) 2.10 - 2.90
Zinc (Zn) 5.10 - 6.10
Titanium (Ti) 0.00 - 0.20
Titanium + Zirconium (Ti+Zr) 0.00 - 0.25
Other (Each) 0.00 - 0.05
Others (Total) 0.00 - 0.15
Aluminium (Al) Balance
Physical Property Value
Density 2.81 g/cm³
Melting Point 635 °C
Thermal Expansion 23.5 x 10-6/K
Modulus of Elasticity 72 GPa
Thermal Conductivity 134-160 W/m.K
Electrical Resistivity 40 % IACS

Applications

Characteristics

Additional Information

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. 10 400 470 7
Over 10 up to & incl. 20 420 485 8
Over 20 up to & incl. 50 415 485 8
Over 50 up to & incl. 75 410 475 8
Over 75 up to & incl. 100 380 450 7
Over 100 up to & incl. 150 365 425 7

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DISCLAIMER

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 S 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.

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