2xxx Series
Aluminum Extrusions
High Strength Structural Aluminum Profiles
A-Cu based serogace-grade ertrusion materizls
2 Series Overview
High-strength copper-based alloys designed for demanding aerospace, military, and structural applications.
2-Series Aluminum Alloys (High-Strength Copper-Based Alloys)
|
Alloy
|
Temper
|
Wall Thickness (mm)
|
Cross-sectional Area (cm²)
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Circumscribed Diameter (mm)
|
Overall Dimensions (mm)
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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
|
Typical Application Scenarios
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.
Aerospace manufacturing
Rail Traffic
Structural components
Shipbuilding
Spiral propeller components of the speedboat, etc.
Precision machinery
cutting components