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
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 |
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
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 |