2011 T3 Aluminum Bar for CNC Machining and Aerospace Components
2011 aluminum round bar is a high-strength free-machining aluminum alloy in the 2xxx series. It offers outstanding machinability, excellent chip control, and good mechanical strength. The alloy is widely used for CNC machining, automatic screw machine parts, aerospace hardware, connectors, fittings, and precision components.
As a professional aluminum bar supplier, we provide 2011 aluminum round bars in T3 and T6 tempers with a wide range of diameters and custom cutting services.
2011 Aluminum Round Bar Stock Size
Available Tempers:T3,T6
Standards:ASTM B211,ASTM B221,QQ-A-225/3
Equivalent Grades:UNS A92011,DIN AlCuBiPb,NF A-U4Pb,BS FC1
EXTRUDED ROUND BAR | Diameter | Length |
2011 T3 T6 | 15mm/18mm 20mm/22mm 25mm/28mm 30mm/32mm 35mm/36mm 40mm/45mm 50mm/55mm 60mm/65mm 70mm/75mm 80mm/85mm 90mm/95mm 100mm 110mm 120mm 130mm 140mm 150mm | 2500mm/3000mm |
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 |
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 Aluminum Round Bar 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 vs 6262 Aluminum
Both alloys are designed for machining applications. However, they serve different priorities.
| Property | 2011 Aluminum | 6262 Aluminum |
| Machinability | Excellent | Excellent |
| Strength | Higher | Moderate |
| Corrosion Resistance | Moderate | Better |
| Surface Finish | Excellent | Excellent |
| Aerospace Hardware | Common | Less Common |
2011 aluminum is often selected when strength and machining efficiency are the primary requirements.
For applications that require improved corrosion resistance and anodizing performance, see our Free Cutting 6262 Aluminum Bar.
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Looking for a reliable supplier of 2011 T3 or T6 aluminum round bars?
Contact our sales team today for stock availability, custom cutting services, technical support, and competitive pricing.


