2xxx Series
Aluminum Extrusions
High Strength Structural Aluminum Profiles
A-Cu based serogace-grade ertrusion materizls
2 Series Overview
2 Series Overview, also known as hard aluminum, is a heat‑treatable reinforced aluminum‑copper alloy mainly added with copper and magnesium elements.
It delivers high tensile strength, excellent fatigue resistance and good machinability after solution and aging treatment, suitable for riveting, machining and structural assembling. Mainly used in industries such as aerospace, transportation equipment, precision machinery and high‑strength structural components.
High Strength
Excellent mechanical performance after heat treatment, capable of bearing heavy loads for structural parts.
Good Machinability
Easy‑to‑cut with fine machined surface, fit for precision component processing.
Superior Fatigue Resistance
Resists cracking under cyclic stress, suitable for load‑bearing components.
2-Series Aluminum Alloys (High-Strength Copper-Based Alloys)
| Alloy | Temper | Wall Thickness (mm) | Cross-sectional Area (cm²) | Circumscribed Diameter (mm) | Overall Dimensions (mm) | Standards | Core Properties | Typical Applications |
| 2A12 | O / T4 / T6 / H112 | 3 – 35 | 0.2 – 150 | 10 – 320 | 10 – 320 | GB/T 6892, GJB 2507A, GB/T 3880 | High strength, good machinability, moderate corrosion resistance | Aerospace structural components, load-bearing frames, defense structures |
| 2024 | T3 / T4 / T351 / T851 | 3 – 40 | 0.2 – 150 | 10 – 320 | 10 – 320 | GB/T 6892, GJB 2507A, AMS QQ-A-200B, ASTM B221M | Excellent fatigue resistance, balanced mechanical properties | Aerospace secondary structures, rail transit connectors |
| 2A14 | O / T4 / T6 / H112 | 5 – 50 | 0.2 – 150 | 10 – 320 | 10 – 320 | GB/T 6892, GJB 2507A, ASTM B221M | High strength, superior load-bearing capacity, impact resistant | Aerospace structures, heavy-duty mechanical components |
Industry
Application scenario
2000-series alloys serve high-strength structures for aerospace, including aircraft skins, frames, wings, rocket tanks and spacecraft cabins. They also apply to premium transport, precision machinery and defense for lightweight frames, machined parts and load-bearing forgings.
Ready to source reliable industrial metal materials?
Reach out to us for material specifications, sample requests or customized quotation solutions.