The 2219 aluminum bar is a premium heat-treatable aluminum-copper alloy (AA2219) known for its high tensile strength, excellent weldability, and high-temperature resistance. As an aerospace-grade aluminum bar, it is commonly manufactured in round, square, flat, and hex profiles to meet demanding industrial specifications. Its performance characteristics make it ideal for structural and high-stress components in aerospace, defense, automotive, and industrial machinery applications.
2219 Aluminum Bar
The 2219 aluminum bar is a premium heat-treatable aluminum-copper alloy (AA2219) known for its high tensile strength, excellent weldability, and high-temperature resistance. As an aerospace-grade aluminum bar, it is commonly manufactured in round, square, flat, and hex profiles to meet demanding industrial specifications. Its performance characteristics make it ideal for structural and high-stress components in aerospace, defense, automotive, and industrial machinery applications.
| Product Name | 2219 Aluminum Bar / AA2219 Alloy Bar |
| Alloy Type | Heat-treatable aluminum-copper alloy (AA2219) |
| Standards Compliance | AMS 4162, ASTM B211, ASTM B247 and equivalent aerospace specs |
| Temper / Condition | O, T6, T62, T81, T851, T8511 (varies by supplier) |
| Shape Options | Round bar, Square bar, Flat bar, Hex bar |
| Diameter / Thickness | Typically 3 mm – 800 mm (round) or equivalent in cross-section |
| Width (Applicable to Flat/Square Bars) | Custom – depends on profile type and customer requirement |
| Length Options | 1 m – 12 m standard or cut-to-length per order (custom lengths available) |
| Surface Finish | Mill finish, polished, brushed, anodized (varies by supplier) |
| Density | ~2.84 g/cm³ |
| Melting Point Range | ~535 – 640 °C |
| Thermal Conductivity | ~120 W/m·K |
| Common Mechanical Properties | Tensile strength ~400–480 MPa (varies by temper), Yield strength ~280–370 MPa, Elongation ~6–15% |
| Typical Applications | Aerospace structural components, aircraft fuselage & wing assemblies, rocket engine supports, high-performance automotive parts, defense & industrial machinery |
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