L170 T6511 Bar data sheet

Aluminium Alloy | BS-L

L170 T6511 Bar

AerospaceL170 T6511 Commercial7075

Aluminium alloy L170 – 7075 is a very high strength alloy used for highly stressed components requiring maximum strength with low residual stress.
The standard specifying this grade has been superseded by BSEN 2127.

Chemical Composition

BS L170(1989) Alloy L170
Chemical Element	% Present
Aluminium (Al)	balance
Other (Each)	0.05 max
Others (Total)	0.15 max
Titanium (Ti)	0.2 max
Titanium + Zirconium (Ti+Zr)	0.25 max
Chromium (Cr)	0.18 - 0.28
Manganese (Mn)	0.3 max
Silicon (Si)	0.4 max
Iron (Fe)	0.5 max
Copper (Cu)	1.2 - 2
Magnesium (Mg)	2.1 - 2.9
Zinc (Zn)	5.1 - 6.1

Alloy Designations

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

7075

Temper Types

The most common temper for L160 – 7075 aluminium is:

T6511

Supplied Forms

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

Bar
Extrusions

Generic Physical Properties

'Typical' Physical Properties are given
Physical Property	Value
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

Mechanical Properties

These Mechanical properties are for Bar in the T6511 temper

Diameter (mm)	Proof Strength (Min)	Tensile Strength (Min)	Elongation % (Min)
Up to & incl. 10	480	540	4
Over 10 up to & incl. 100	520	580	4
Over 100 up to & incl. 150	490	550	4

Download PDF
Last updated 09 January 2014

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 & 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.

Resources

Strength in numbers