Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of 7050 Aluminum Plate Supplier 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.
7050 aluminum is a heat-treatable Al-Zn-Mg-Cu alloy developed for high-strength structural applications. Compared with many conventional 7xxx-series aluminum alloys, 7050 combines high strength with good fracture toughness, fatigue resistance and resistance to stress-corrosion cracking.
The alloy is commonly supplied as thick plate in stress-relieved tempers such as T7451 and T7651. These tempers are particularly suitable for structural components that require extensive machining, reliable through-thickness performance and improved dimensional stability.
7050 aluminum plate is widely specified for aircraft structural components, bulkheads, fuselage frames, wing structures and other high-load machined parts. For safety-critical aerospace applications, the exact material specification, producer approval, inspection class and traceability requirements must be confirmed before ordering.
ASTM B209/B209M covers aluminum-alloy sheet and plate, while alloy and temper designations follow the applicable aluminum designation system
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Why Choose 7050 Aluminum Plate?
High Strength for Critical Structures
7050 provides a high strength-to-weight ratio for structural parts subjected to demanding static and cyclic loads.
Improved Stress-Corrosion Resistance
T7451 and T7651 are overaged, stress-relieved tempers designed to balance strength with improved resistance to stress-corrosion cracking.
Good Fracture Toughness
The alloy is used where damage tolerance and resistance to crack propagation are important design considerations.
Suitable for Thick-Section Components
7050 is particularly associated with thick aerospace plate and components requiring reliable properties through the plate thickness.
Better Machining Stability
Stress-relieved plate can reduce movement during heavy CNC machining compared with non-stress-relieved material. Actual distortion also depends on plate thickness, machining strategy, residual-stress level and part geometry.
Inspection and Traceability Options
Material can be ordered with heat-number traceability, mill test documentation, dimensional inspection and specified ultrasonic inspection, subject to the agreed standard and purchase order.
Specifications – 7050 Aluminum Sheet
| Item | Available Specification |
|---|---|
| Alloy | 7050 |
| UNS designation | A97050 |
| Main product | Aluminum plate |
| Additional form | Sheet, subject to temper and mill availability |
| Recommended tempers | T7451 / T7651 |
| Other tempers | Confirm against the applicable material specification |
| General standard | ASTM B209/B209M |
| Aerospace specification | Confirm required AMS/OEM specification before quotation |
| Thickness | 3–200 mm |
| Width | 500–2500 mm |
| Length | 1000–12000 mm |
| Standard surface | Mill finish |
| Optional processing | Saw cutting, waterjet cutting, CNC preparation, drilling |
| Edge condition | Mill edge / Saw-cut edge / Machined edge |
| Inspection | Chemistry, tensile, dimensional and surface inspection |
| Optional NDT | Ultrasonic testing to the agreed inspection class |
| Documentation | MTC, inspection report and traceability documents |
| Packing | Protective film or paper, waterproof wrapping, wooden pallet/case |
Important note: The advertised size range must not imply that every combination of temper, thickness, width and standard is continuously available. Final availability should be confirmed according to the required specification and quantity.
7050-T7451 vs 7050-T7651
| Temper | Main Characteristics | Recommended Uses |
|---|---|---|
| 7050-T7451 | Strong balance of strength, fracture toughness and stress-corrosion resistance; stress-relieved by stretching | Thick structural plate, bulkheads, fuselage frames, precision-machined aerospace parts |
| 7050-T7651 | Higher typical strength than T7451 while retaining useful corrosion performance; stress-relieved by stretching | Highly loaded aircraft structures, wing components and strength-critical machined parts |
| Other tempers | Properties and availability depend on product form and governing specification | Use only after confirming drawing, standard and design requirements |
Chemical Composition (%) – 7050 Aluminum Alloy
| Element | Content, wt.% |
|---|---|
| Zinc, Zn | 5.7–6.7 |
| Copper, Cu | 2.0–2.6 |
| Magnesium, Mg | 1.9–2.6 |
| Zirconium, Zr | 0.08–0.15 |
| Iron, Fe | ≤0.15 |
| Silicon, Si | ≤0.12 |
| Manganese, Mn | ≤0.10 |
| Titanium, Ti | ≤0.06 |
| Chromium, Cr | ≤0.04 |
| Other, each | ≤0.05 |
| Other, total | ≤0.15 |
| Aluminum, Al | Balance |
Typical Mechanical Properties
| Temper | Tensile Strength | Yield Strength | Elongation | Brinell Hardness |
|---|---|---|---|---|
| T7451 | 524 MPa | 469 MPa | 11% | 140 HB |
| T7651 | 552 MPa | 489 MPa | 11% | 150 HB |
Values shown are typical longitudinal properties for material comparison only. Guaranteed minimum properties depend on thickness, orientation, product form and the applicable ASTM, AMS or customer specification. Request the relevant datasheet and MTC before design approval.
Typical Physical Properties
| Property | Typical Value |
|---|---|
| Density | Approximately 2.83 g/cm³ |
| Modulus of elasticity | Approximately 70.3 GPa |
| Poisson's ratio | Approximately 0.33 |
| Thermal conductivity | Temper-dependent |
| Electrical conductivity | Temper-dependent |
| Melting range | Refer to the applicable technical datasheet |
Machining 7050 Aluminum Plate
7050-T7451 and T7651 plate can be used for complex CNC-machined structural components. Stress-relieved plate is selected to help control movement when substantial material is removed from one or both sides.
Recommended procurement information includes:
Finished component dimensions
Initial plate thickness
Machining allowance
Flatness requirement
Grain direction
Residual-stress requirement
Ultrasonic inspection class
Surface protection requirement
Final dimensional tolerance
Balanced machining from both sides, appropriate fixturing and staged roughing/finishing can help reduce distortion.
Welding
7050 is generally not selected for conventionally welded primary structures. Fusion welding can significantly alter the heat-treated microstructure and reduce strength in the heat-affected zone.
For critical assemblies, mechanical fastening, bolting or another engineer-approved joining method is often preferred. The final joining method must be approved by the project designer.
Surface Treatment
Available options may include:
Mill finish
Chemical conversion coating
Primer or painting
Protective film
Anodizing, subject to the required appearance and performance
Do not position decorative polishing as a primary aerospace selling point. For this product, material integrity, temper, flatness, machining stability and traceability are more important.
7050 vs 7075 Aluminum Plate
| Selection Factor | 7050 Aluminum | 7075 Aluminum |
|---|---|---|
| Typical positioning | Thick aerospace structural plate | Widely used high-strength aerospace and engineering alloy |
| Important plate tempers | T7451 / T7651 | T651 / T7351 |
| Thick-section suitability | Particularly strong positioning | Broad availability across multiple forms |
| Stress-corrosion performance | Strong in properly selected overaged tempers | Depends strongly on temper; T73/T7351 improves SCC resistance |
| Machining | Suitable for heavily machined structural components | Excellent general machining performance |
| Availability and cost | More specialized | Usually more widely available |
| Selection basis | Thick-section toughness, fatigue and SCC requirements | General high strength, availability and established use |
Not sure whether 7050 or 7075 is more suitable? Send the drawing, loading condition and required material specification for review.
Applications of 7050 Aluminum Plate
7050 aluminum plate is commonly considered for:
Aircraft bulkheads
Fuselage frames
Wing structural components
Wing ribs and spars
High-load structural fittings
Precision-machined aerospace components
Defense-related structural parts
High-performance engineering components
Thick-section parts requiring strength and fracture toughness
Fixtures and tooling requiring high-strength aluminum
Material for flight-critical applications must be ordered to the exact drawing, specification, inspection class, producer approval and traceability requirements stated by the customer.
Inspection & Quality Assurance
Aerospace and high-performance aluminum plate procurement requires more than checking alloy designation alone. Inspection should be defined according to the drawing, material specification and purchase order.
Available Inspection Items
Heat-number and batch traceability
Chemical composition analysis
Temper and heat-treatment verification
Tensile and yield-strength testing
Elongation testing
Brinell hardness testing where required
Thickness, width and length inspection
Flatness and squareness inspection
Surface-quality inspection
Edge and cut-size inspection
Ultrasonic inspection to the agreed standard and acceptance class
Third-party witnessing when agreed before production
Documentation Options
Mill Test Certificate
Chemical composition report
Mechanical-property report
Dimensional inspection report
Ultrasonic inspection report
Packing list
Certificate of origin
Third-party inspection report when ordered
Export Packing for 7050 Aluminum Plate
7050 aluminum plate should be packed to protect the surface, edges, identification and traceability during inland handling and international shipment.
Packing Options
Interleaving paper or protective film
Waterproof plastic wrapping
Moisture-resistant barrier material
Edge and corner protection
Steel or PET strapping
Fumigation-compliant wooden pallets or cases
Heat-number and specification labels
Customized shipping marks
Container loading reinforcement
our 7050 Aluminum Plate Supply Partner
Xi'an Dongmeng Group Co., Ltd. supports international buyers with material selection, specification review, cut-to-size processing, inspection coordination and export packing.
Our supply process can include:
Review of alloy, temper and specification
Plate-size and machining-allowance recommendations
Custom saw cutting and CNC preparation
Inspection-document review before shipment
Optional ultrasonic and third-party inspection
Traceable labels and export packing
Consolidated supply with other aluminum products
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
1. What is the difference between 7050-T7451 and 7050-T7651?
T7651 generally provides higher typical tensile and yield strength. T7451 is widely selected when buyers require a strong balance of strength, fracture toughness and resistance to stress-corrosion cracking. Final selection must follow the component drawing and material specification.
2. Is 7050 aluminum supplied as sheet or plate?
7050 is most commonly purchased as aerospace plate, particularly in T7451 and T7651 tempers. Sheet availability depends on the required thickness, temper and governing specification.
3. Is 7050-T651 the same as 7050-T7451?
No. Temper designations identify different thermal and stress-relief treatments. They must not be substituted without engineering and specification approval.
4. Can you supply ASTM B209 7050 aluminum plate?
Supply can be evaluated against ASTM B209/B209M and the required temper. Buyers should provide the required standard revision, dimensions, mechanical-property requirements and inspection requirements.
5. Which AMS specification should I include in my inquiry?
Send the AMS specification shown on the drawing or purchase order. Do not order only by writing "AMS 7050," because different product forms and tempers may be covered by different material specifications.
6. Can 7050 aluminum plate be ultrasonically tested?
Yes, ultrasonic inspection can be arranged when the required test method, acceptance class, plate thickness and reporting requirements are specified before quotation.
7. Can you cut or machine 7050 aluminum plate?
Cut-to-size saw cutting, waterjet cutting and CNC preparation may be provided according to the drawing, tolerances and machining allowance.
8. Is 7050 aluminum suitable for welding?
It is generally not preferred for fusion-welded primary high-strength structures because welding can reduce mechanical properties around the heat-affected zone. Use an engineer-approved joining method.
9. What information is required for a quotation?
Please provide alloy, temper, standard, thickness, width, length, quantity, tolerance, UT requirement, processing requirement, destination and intended application.
10. What affects the price of 7050 aluminum plate?
Price is affected by temper, material specification, plate thickness, width, quantity, testing level, cutting requirements, producer approval, documentation and destination.
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