QQ-A-200/11 T6511 Bar & Extrusion Grade -…

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Related Specifications

Aluminium alloy QQ-A-200/11 has similarities to the following standard designations and specifications but may not be a direct equivalent:

AMS 4166
AMS 4168
AMS 4169

Temper Types

Alloy QQ-A-200/11 is supplied in a wide range of tempers:

T62
T6510
T73
T7310
T7311
T8511
T7351
T73511
T6511
O
T6

Properties

Chemical Composition

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

General Physical Properties

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

Aerospace components
Defence components
High technology applications

Characteristics

High strength
Very good machinability
Weldable using resistancce, spot & beam methods
Poor resistance to atmospheric corrosion

Additional Information

Mechanical Properties

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.

Aluminium, ASTM & FED-QQQQ-A-200/11 T6511 Bar & Extrusion

Very high strength aerospace aluminium alloy.