Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of 7075-t73 aluminum sheet / plate in China, also supports customized service. With abundant experience, we warmly welcome you to wholesale cheap products in stock here and get free sample from our factory. For price consultation, contact us.
The 7075-T73 Aluminum Sheet / Plate is a high-strength, heat-treatable aluminum alloy in the 7xxx series (Al-Zn-Mg-Cu), specially designed for aerospace, military, marine, and high-stress structural applications. With the T73 temper, this alloy provides excellent stress corrosion resistance, good fatigue resistance, and stable mechanical properties over long-term use, making it a preferred choice for critical components where both strength and durability are required.
Compared to 7075-T6, the T73 temper slightly reduces ultimate tensile strength but significantly enhances resistance to stress corrosion cracking, ensuring long-term performance in harsh environments. The alloy is suitable for applications that demand high strength-to-weight ratio, precise machining, and reliable structural performance.
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High Quality
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Advanced Equipment
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Professional Team
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Custom Service
Products Specification
| Category | Specification |
|---|---|
| Product Name | 7075-T73 Aluminum Sheet / Plate |
| Alloy Series | 7xxx Series Aluminum Alloy (Al-Zn-Mg-Cu) |
| Temper | T73 (Solution Heat-Treated & Naturally Aged) |
| Standards | ASTM B209 · EN AW-7075 · AMS 4045 |
| Form | Sheet / Plate / Cut-to-Size |
| Thickness Range | 0.5 – 200 mm (0.020″ – 7.87″) |
| Width Range | 500 – 2500 mm (19.7″ – 98.4″) |
| Length Range | Up to 15,000 mm (≤ 590″) |
| Thickness Tolerance | Per ASTM B209 / EN AW-7075 |
| Flatness Tolerance | Standard mill tolerances |
| Surface Finish | Mill Finish · Bright Annealed · Polished / Brushed |
| Edge Condition | Mill Edge · Trimmed Edge |
| Density | 2.81 g/cm³ |
| Ultimate Tensile Strength | 524 MPa |
| Yield Strength | 455 MPa |
| Elongation | 11% |
| Brinell Hardness | 140 HB |
| Fatigue Strength | 150 MPa |
| Chemical Composition (% Typical) | Zn 5.1–6.1 · Mg 2.1–2.9 · Cu 1.2–2.0 · Cr 0.18–0.28 · Fe ≤0.5 · Si ≤0.4 · Mn ≤0.3 · Ti ≤0.2 · Al Balance |
| Key Properties | High Strength · Excellent Stress Corrosion Resistance · Good Fatigue Resistance · Machinable |
| Processing Capability | CNC Machining · Cutting · Bending · Milling · Precision Fabrication |
| Typical Applications | Aerospace Components · Military Equipment · High-Stress Structural Parts · Automotive High-Performance Parts · Marine & Offshore Structures |
| Inspection & Certification | Mill Test Certificate (EN 10204 3.1) · Optional Third-Party Inspection (SGS / BV / TUV) |
| Packaging & Delivery | Export-Grade Wooden Pallets / Crates · Protective Film · Cut-to-Size Service Available |
| Customization | Thickness · Width · Length · Surface Finish · Processing Services |
Chemical Composition (% Typical)
| Element | Zn | Mg | Cu | Cr | Fe | Si | Mn | Ti | Al |
|---|---|---|---|---|---|---|---|---|---|
| Content | 5.1–6.1 | 2.1–2.9 | 1.2–2.0 | 0.18–0.28 | ≤0.5 | ≤0.4 | ≤0.3 | ≤0.2 | Balance |
Mechanical Properties – T73 Temper
| Property | Value | Unit |
|---|---|---|
| Ultimate Tensile Strength | 524 | MPa |
| Yield Strength | 455 | MPa |
| Elongation | 11 | % |
| Brinell Hardness | 140 | HB |
| Fatigue Strength | 150 | MPa |
Inspection & Quality Assurance
Incoming Material Inspection: Chemical composition, raw material verification, supplier qualification.
In-Process Inspection: Thickness, flatness, surface quality, and hardness checks.
Mechanical Testing: Tensile, yield, elongation, and fatigue tests per ASTM/EN standards.
Final Inspection: Visual and dimensional inspection, packaging verification, Mill Test Certificate (EN 10204 3.1).
Third-Party Inspection: Optional inspection by SGS, BV, or TUV.
Contact Us
If you are interested in 7075-T73 Aluminum Sheet / Plate or want to request a custom size, thickness, or processing service, please contact us directly. Our professional sales and technical team is ready to provide fast quotes, detailed specifications, and support for your project.
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
Q1: What is 7075-T73 aluminum sheet?
A: 7075-T73 is a high-strength aluminum alloy with enhanced stress corrosion resistance. It is slightly lower in tensile strength than T6 but offers better durability in harsh environments.
Q2: Which standards does 7075-T73 meet?
A: ASTM B209, EN AW-7075, AMS 4045. Mill Test Certificates (EN 10204 3.1) are available.
Q3: Can 7075-T73 be welded?
A: Welding is not recommended due to stress corrosion concerns. Mechanical fastening or adhesive bonding is preferred.
Q4: Can it be machined?
A: Yes. 7075-T73 is machinable using CNC, milling, turning, or drilling methods.
Q5: What thicknesses and sizes are available?
A: Thickness 0.5–200 mm, width 500–2500 mm, length up to 15,000 mm. Custom sizes are available.
Q6: What is the corrosion resistance?
A: 7075-T73 has excellent stress corrosion resistance, suitable for aerospace, marine, and outdoor applications. Protective coatings are recommended for extreme environments.
Q7: What are typical applications?
A: Aerospace components, military equipment, high-stress automotive parts, industrial machinery, and marine/offshore structures.
Q8: How is it packaged and shipped?
A: Export-grade wooden pallets or crates, waterproof paper, plastic film protection, and secure strapping.
Q9: Can it be customized?
A: Yes. Thickness, width, length, surface finish, and processing services can be customized per project requirements.
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