7000 Series Aluminum Alloys
Huaxiao-Alloy
Highest Quality Steel
Quick Delivery
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7001 aluminum alloy
7003 aluminum alloy
7005 aluminum alloy
7010 aluminum alloy
7020 aluminum alloy
7022 aluminum alloy
7049 aluminum alloy
7050 aluminum alloy
7055 aluminum alloy
7068 aluminum alloy
7075 aluminum alloy
7085 aluminum alloy
7090 aluminum alloy
7093 aluminum alloy
7150 aluminum alloy
7175 aluminum alloy
7178 aluminum alloy
7475 aluminum alloy
7A04（GB） aluminum alloy
7A09（GB） aluminum alloy
Why Partner with Huaxiao-Alloy?
Full Grade Range : All 7000 series alloys compliant with AMS, MIL, and ASTM standards. Advanced Heat Treatment : Precision T6, T73, and T76 tempers for optimal mechanical properties. Custom Fabrication : Sheets, plates, bars, extrusions, and forgings tailored to client specifications. Certified Excellence : ISO 9001, AS9100, and Nadcap-certified production with full traceability.
7000 Series Aluminum Alloy: Key Properties & Specifications
1.
7000 series alloys are zinc-based (Zn: 4.0–8.0%) with magnesium, copper, and chromium additions.
| Grade | Aluminum (%) | Zinc (Zn) (%) | Magnesium (Mg) (%) | Copper (Cu) (%) | Chromium (Cr) (%) |
|---|---|---|---|---|---|
| 7075 | Bal. | 5.1–6.1 | 2.1–2.9 | 1.2–2.0 | 0.18–0.28 |
| 7050 | Bal. | 5.7–6.7 | 1.9–2.6 | 2.0–2.6 | 0.10–0.15 |
| 7046 | Bal. | 7.5–8.5 | 1.8–2.4 | 0.50–1.0 | 0.05–0.15 |
| 7010 | Bal. | 5.7–6.7 | 1.5–2.1 | 1.5–2.1 | 0.05–0.15 |
Trace elements (Fe, Si, Ti) vary by grade. Request full material datasheets for details.
2.
Density : 2.80–2.85 g/cm³ Melting Range : 475–630°C Tensile Strength : 450–580 MPa (T6 temper) Yield Strength : 380–520 MPa Elongation : 5–12% (dependent on temper) Fatigue Strength : 140–200 MPa (10⁷ cycles, R = -1) Fracture Toughness : 25–35 MPa√m (T-L orientation)
3.
Ultra-High Strength : 7075-T651 for aircraft landing gears; 7050-T7451 for military vehicle armor. Stress-Corrosion Resistance : T73/T76 tempers for marine and humid environments. Machinability : Suitable for CNC milling, drilling, and threading with carbide tools. Weldability : Requires specialized techniques (e.g., friction-stir welding).
Applications of 7000 Series Aluminum Alloys
As a trusted
Aerospace : 7075-T6 for wing spars, fuselage frames, and helicopter components. Defense : 7050-T7451 for missile casings, armored vehicles, and artillery parts. Automotive : 7046-T6 for high-performance racing suspension systems. Sports Equipment : 7001-T6 for bicycle frames, climbing gear, and baseball bats.
Quality Assurance & Technical Expertise
- Material Certifications
: Mill Test Reports (MTRs) with chemical, mechanical, and fracture data. Testing Services : Ultrasonic inspection, hardness testing, and stress-corrosion cracking (SCC) evaluations. Custom Solutions : Alloy modifications, precision machining, and surface treatments (anodized, alodine).
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