7xxx Series
Aluminum Extrusions
Ultra-High Strength Structural Aluminum Profiles
Al-Zn based aerospace and defense-grade extrusion materials
7 Series Overview
Zinc-based alloys providing exceptional strength, fatigue resistance, and performance for aerospace and high-end engineering applications.
7-Series Aluminum Alloys (Ultra-High-Strength Zinc Alloys)
|
Alloy
|
Temper
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Wall Thickness (mm)
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Cross-sectional Area (cm²)
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Circumscribed Diameter (mm)
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Overall Dimensions (mm)
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Standards
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Core Properties
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Typical Applications
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|
7A04
|
T6 / T651 / H112
|
3 – 50
|
0.2 – 150
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10 – 320
|
10 – 320
|
GB/T 6892, GJB 2507A, ASTM B221M
|
Ultra-high strength, high rigidity, excellent load-bearing capacity
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Aircraft primary structures, defense armor components
|
|
7A09
|
T6 / T651 / H112
|
3 – 50
|
0.2 – 150
|
10 – 320
|
10 – 320
|
GB/T 6892, GJB 2507A, ASTM B221M
|
Balanced strength and toughness, excellent stress corrosion resistance
|
Aerospace rocket structures, high-load engineering components
|
|
7050
|
T7451 / T6 / T651
|
3 – 50
|
0.2 – 150
|
10 – 320
|
10 – 320
|
GB/T 6892, GJB 2507A, AMS QQ-A-200B, ASTM B221M
|
Excellent fatigue resistance, outstanding stress corrosion resistance
|
Commercial aircraft structures, satellite systems
|
| 7075 | T6 / T651 / T7351 | 3 – 50 | 0.2 – 150 | 10 – 320 | 10 – 320 | GB/T 6892, GJB 2507A, AMS QQ-A-200B, ASTM B221M | Ultra-high strength, stable mechanical performance, military-grade alloy | Defense equipment, UAV structures, high-end tooling |
Typical Application Scenarios
7000-series alloys feature ultra-high strength for aerospace load parts, landing gears and military components.
They are also adopted for racing frames, high-end sports gear and heavy-duty molds.