HOME METALS ALUMINIUM AEROSPACE ALUMINIUM ALLOYS QQ-A-200/11 T6511 Bar & Extrusion

Aluminium, ASTM & FED-QQ

QQ-A-200/11 T6511 Bar & Extrusion

Very high strength aerospace aluminium alloy.

A very high strength aerospace aluminium alloy with, depending upon temper, yield strength of 24-68 ksi (165 – 465 MPa) and tensile strength of 40-78 ksi (275 – 540 MPa).

This alloy is used where high strength is required and where good resistance to general corrosion is NOT important.

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QQ-A-200/11 T6511 Aluminium Related Specifications

System / Standard Country / Region Grade / Designation
AA USA 7075-T6511
UNS International A97075 (7075-T6511)
EN / DIN Europe EN AW-7075-T6511 / 3.4365
EN Name Europe AlZn5.5MgCu-T6511
ASTM B221 USA 7075-T6511 extruded bar, rod, shapes & tube
BS (Aerospace) UK L95-T6511 (7075-T6511 high-strength extrusions)
AFNOR France A-Z5GU-T6511

Properties

Chemical Composition

Alloy QQ A 200/11

SAE AMS QQ-A-200/11

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
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 T6511 temper.

Diameter (mm) Proof Strength (Min) Tensile Strength (Min) Elongation % (Min)
Up to & incl. 6.3 482 538 7
Over 6.3 up to & incl. 12.7 503 558 7
Over 12.7 up to & incl. 76.2 496 558 7
Over 76.2 up to & incl. 114 489 558 7
Over 114 up to & incl. 127 469 538 6

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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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