Free Machining 2011 T3 T6 Aluminum Cold Drawn Rod Bar
As a free-machining alloy, 2011 T3 T6 aluminium offers excellent versatility and this alloy 2011 is highly suitable for any manufacturing process requiring repetitive machining.2011 aluminium is a highly versatile material. With excellent machinability, the product finds use in the manufacture of highly complex and detailed parts.
2011 aluminum chemical composition
| Element | Content (%) |
|---|---|
| Copper (Cu) | 5.0 – 6.0 |
| Bismuth (Bi) | 0.2 – 0.6 |
| Lead (Pb) | 0.2 – 0.6 |
| Iron (Fe) | ≤ 0.7 |
| Silicon (Si) | ≤ 0.4 |
| Zinc (Zn) | ≤ 0.3 |
| Others (each) | ≤ 0.05 |
| Others (total) | ≤ 0.15 |
| Aluminum (Al) | Balance |
Tempers: T3,T6, T6511
Specifications: UNS A92011; QQ-A-225/3; NF A-U4Pb (France); DIN AlCuBiPb; BS FC1; AA2011-T3; Al2011-T3
Stock list
EXTRUDED ROUND BAR | Diameter | Length |
2011 T3 T6 | 15mm/18mm | 2500mm/3000mm |
2011 T3 T6 | 20mm/22mm | 2500mm/3000mm |
2011 T3 T6 | 25mm/28mm | 2500mm/3000mm |
2011 T3 T6 | 30mm/32mm | 2500mm/3000mm |
2011 T3 T6 | 35mm/36mm | 2500mm/3000mm |
2011 T3 T6 | 40mm/45mm | 2500mm/3000mm |
2011 T3 T6 | 50mm/55mm | 2500mm/3000mm |
2011 T3 T6 | 60mm/65mm | 2500mm/3000mm |
2011 T3 T6 | 70mm/75mm | 2500mm/3000mm |
2011 T3 T6 | 80mm/85mm | 2500mm/3000mm |
2011 T3 T6 | 90mm/95mm | 2500mm/3000mm |
2011 T3 T6 | 100mm | 2500mm/3000mm |
2011 T3 T6 | 110mm | 2500mm/3000mm |
2011 T3 T6 | 120mm | 2500mm/3000mm |
2011 T3 T6 | 130mm | 2500mm/3000mm |
2011 T3 T6 | 140mm | 2500mm/3000mm |
2011 T3 T6 | 150mm | 2500mm/3000mm |
2011 t3 t6 aluminum mechanical properties
| Property | 2011-T3 | 2011-T6 |
|---|---|---|
| Tensile Strength, Ultimate | 370 MPa (54 ksi) | 410 MPa (59 ksi) |
| Yield Strength (0.2%) | 275 MPa (40 ksi) | 345 MPa (50 ksi) |
| Elongation at Break | 10–12% | 6–8% |
| Brinell Hardness | ~95 HB | ~110 HB |
| Shear Strength | 230 MPa | 255 MPa |
| Modulus of Elasticity (E) | 71 GPa | 71 GPa |
| Density | 2.82 g/cm³ | 2.82 g/cm³ |
2011 t3 t6 aluminum Physical & Thermal Properties
| Property | Typical Value |
|---|---|
| Melting Range | 510–640 °C (950–1185 °F) |
| Thermal Conductivity | 155 W/m·K |
| Electrical Conductivity | 38% IACS |
| Coefficient of Thermal Expansion | 23.4 µm/m·°C |
2011 T3 T6 Typical Applications
Precision machined components
Automatic screw machine parts
Aerospace and automotive fittings
Fasteners, connectors, and couplings
Instrument housings and electronic enclosures
Valve bodies and threaded components
2011 t3 aluminum vs 6061 t6
2011-T3 aluminum is a free-machining aluminum-copper alloy designed for high-speed turning and precision parts. It offers excellent machinability, clean chip formation, and high strength, making it ideal for automatic lathes, fasteners, and connectors. However, its corrosion resistance and weldability are poor, so it's mainly used for internal or coated components.
6061-T6 aluminum, on the other hand, is a versatile structural alloy that balances strength, corrosion resistance, and weldability. It's widely used in frames, tubing, and structural assemblies where durability and surface finishing matter more than machining speed. In short, 2011-T3 is best for fast machining, while 6061-T6 is better for strong, weldable structures
