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7075-T6 Aluminum Sheet – High-Strength Aerospace Aluminum Supplier
High-Strength 7075-T6 Aluminum Sheet for Aerospace, CNC Machining and Precision Engineering
Xi'an Dongmeng Group Co., Ltd. supplies 7075-T6 aluminum sheet for aerospace component manufacturers, CNC machining companies, precision engineering businesses and industrial distributors worldwide.
7075-T6 is a high-strength, heat-treatable aluminum-zinc-magnesium-copper alloy in the 7000 series. It offers an excellent strength-to-weight ratio, good machinability and high resistance to permanent deformation, making it suitable for demanding mechanical applications.
Compared with 6061-T6 aluminum, 7075-T6 provides substantially higher strength, making it a preferred option for highly loaded parts where lightweight construction and mechanical performance are essential.
Dongmeng Group supports international B2B buyers with alloy and temper selection, cut-to-size material sourcing, custom processing coordination, inspection arrangements and export packaging.
For thick aluminum plates and heavily machined components, 7075-T651 aluminum plate should also be evaluated because its stretching process reduces residual stress.
Send us your required alloy, temper, dimensions, quantity and material standard for a quotation and technical review.
What Is 7075-T6 Aluminum Sheet?
7075-T6 aluminum sheet is a high-strength flat-rolled aluminum product produced from aluminum alloy 7075 and supplied in the T6 heat-treatment condition.
The alloy contains zinc, magnesium and copper as its primary strengthening elements, together with chromium and controlled amounts of other elements.
The T6 temper means that the material has undergone solution heat treatment followed by artificial aging.
During artificial aging, strengthening precipitates develop within the aluminum matrix, producing high tensile and yield strength.
This makes 7075-T6 particularly useful for components that must resist significant mechanical loads without excessive weight.
However, high strength does not make 7075-T6 suitable for every engineering application. Its relatively poor fusion weldability, limited cold formability and susceptibility to stress-corrosion cracking in certain conditions must be considered during design.
Main Performance Advantages
High Strength-to-Weight Ratio
7075-T6 provides substantially higher strength than many common aluminum alloys while retaining the lightweight characteristics of aluminum.
Good CNC Machinability
The alloy is suitable for milling, drilling, profiling and precision machining when appropriate tools, cutting parameters and workholding methods are used.
High Yield Strength
Its resistance to permanent deformation makes it valuable in mechanically loaded parts, provided the design satisfies the applicable engineering requirements.
Heat-Treatable Properties
Strength is developed through controlled solution heat treatment and artificial aging rather than cold working alone.
Suitable for Precision Components
7075-T6 is widely considered for lightweight precision parts, although stress-relieved 7075-T651 plate is generally preferred for extensive machining of thick stock.
Established Aerospace Material
7075 alloys are used in the aerospace industry, where material condition, source approval, traceability and testing must meet the specific component requirements.
7075-T6 Aluminum Sheet Specifications
| Item | Specification |
|---|---|
| Product Name | 7075-T6 Aluminum Sheet |
| Alloy Designation | AA7075 / EN AW-7075 |
| UNS Number | A97075 |
| Alloy Series | 7000 Series |
| Alloy Type | Al-Zn-Mg-Cu |
| Main Temper | T6 |
| Related Plate Tempers | T651, T7351, T7651 |
| Product Forms | Sheet, flat-rolled products, cut blanks |
| Reference Sheet Thickness | 0.203–6.32 mm in the cited aerospace sheet data |
| Additional Thicknesses | Subject to applicable standard and mill confirmation |
| Width | Standard or custom sizes, subject to availability |
| Length | Mill lengths or custom cut-to-size |
| Surface Condition | Mill Finish |
| Optional Surface Protection | Protective Film or Other Agreed Options |
| Edge Condition | Mill Edge, Sheared Edge or Saw-Cut |
| Density | Approximately 2.80–2.81 g/cm³ |
| Dimensional Tolerance | According to Agreed Standard and Order |
| Inspection | Chemical, Mechanical and Dimensional Verification |
| Documentation | MTC; EN 10204 3.1 when specified and available |
| Packaging | Protected Pallets or Wooden Export Crates |
Important Thickness and Temper Information
7075-T6 sheet and 7075-T651 plate should not be treated as interchangeable products.
The published Alcoa aerospace sheet data identifies 7075-T6 sheet within 0.203–6.32 mm and 7075-T651 plate within 6.35–101.6 mm.
These are reference ranges for the cited product data rather than a universal limit for every commercial specification.
For thicknesses beyond the usual sheet range, please confirm the material temper and relevant standard before ordering.
Dongmeng Group can review requirements for thicker 7075 aluminum plate and suggest suitable material conditions based on the project.
Applicable Material Standards
| Standard | Description |
|---|---|
| ASTM B209/B209M | Aluminum and Aluminum-Alloy Sheet and Plate |
| SAE AMS4045 | 7075-T6 Sheet and 7075-T651 Plate within the applicable specification scope |
| EN 573-3 | Chemical Composition and Alloy Designations |
| EN 485-2 | Mechanical Properties for Applicable Flat-Rolled Aluminum Products |
| EN 485-4 | Dimensional and Form Tolerances for Applicable Cold-Rolled Products |
| EN 515 | Temper Designations |
| EN AW-7075 | European Alloy Designation |
Procurement Note: EN AW-7075 identifies the aluminum alloy; it is not, by itself, a complete product acceptance standard.
For aerospace procurement, specify the exact AMS standard and revision, approved manufacturer requirements, material condition, inspection documentation and any additional customer specifications.
Chemical Composition of 7075 Aluminum Alloy
7075 belongs to the Al-Zn-Mg-Cu family. Zinc and magnesium contribute to precipitation strengthening, while copper and chromium influence the alloy's microstructure and properties.
| Element | Symbol | Composition (wt.%) |
|---|---|---|
| Zinc | Zn | 5.10–6.10 |
| Magnesium | Mg | 2.10–2.90 |
| Copper | Cu | 1.20–2.00 |
| Chromium | Cr | 0.18–0.28 |
| Iron | Fe | ≤0.50 |
| Silicon | Si | ≤0.40 |
| Manganese | Mn | ≤0.30 |
| Titanium | Ti | ≤0.20 |
| Other Elements, Each | - | ≤0.05 |
| Other Elements, Total | - | ≤0.15 |
| Aluminum | Al | Balance |
The values above represent nominal specification limits for alloy 7075. Chemical analysis for each supplied lot should be checked against the manufacturer's material certificate.
Mechanical Properties of 7075-T6 Aluminum Sheet
Mechanical properties depend on material thickness, temper, rolling direction, product form and the applicable specification.
| Property | 7075-T6 Sheet | 7075-T651 Plate |
|---|---|---|
| Reference Thickness | 0.203–6.32 mm | 6.35–101.6 mm |
| Tensile Strength | 510–538 MPa | 462–538 MPa |
| Yield Strength | 434–476 MPa | 372–462 MPa |
| Elongation | 5–8% | 3–9% |
| Density | Approximately 2.81 g/cm³ | Approximately 2.81 g/cm³ |
| Temper Process | Solution Treated and Artificially Aged | Solution Treated, Stretch Stress-Relieved and Artificially Aged |
These published reference values represent thickness-dependent minimum transverse mechanical properties for the indicated product conditions. They are not universal guaranteed values. Actual acceptance requirements shall follow the purchase specification and material certificate.
Why Mechanical Properties Must Be Checked by Thickness
For engineering applications, material selection cannot be based on alloy and temper designations alone.
Purchasers should confirm:
Material thickness and product form.
Applicable testing standard and revision.
Minimum tensile and yield strength.
Required elongation.
Test direction and sampling requirements.
Additional fatigue, corrosion or fracture-toughness requirements where applicable.
This is especially important for structural components and precision-machined parts.
7075-T6 vs 7075-T651 vs 7075-T7351
Selecting the correct temper is essential when ordering high-strength aluminum.
| Property | 7075-T6 | 7075-T651 | 7075-T7351 |
|---|---|---|---|
| Strength Level | High | High | Lower than T6/T651 |
| Stress-Relief by Stretching | No | Yes | Yes |
| Machinability | Good | Good | Good |
| Residual Stress Control | Not specifically stress-relieved | Reduced | Reduced |
| SCC Resistance | More susceptible | More susceptible | Improved |
| Main Application | High-strength sheet parts | Machined thick plate | Corrosion-sensitive structural plate |
When to Choose 7075-T6
Choose T6 when high strength is required in sheet products and the engineering specification explicitly calls for the T6 condition.
When to Choose 7075-T651
Choose T651 when sourcing thicker plates for substantial CNC machining, particularly where residual stress and machining distortion are significant concerns.
When to Choose 7075-T7351
Choose T7351 when improved stress-corrosion cracking resistance is important and the reduced strength level is acceptable.
Engineering Reminder: Temper substitutions should not be made without approval from the responsible design authority.
7075-T6 vs 6061-T6 Aluminum
Both materials are heat-treatable aluminum alloys, but they are intended for different engineering priorities.
| Comparison | 7075-T6 | 6061-T6 |
|---|---|---|
| Main Alloying Elements | Zn-Mg-Cu | Mg-Si |
| Strength | Very High | Moderate to High |
| Strength-to-Weight Ratio | Higher | Lower |
| CNC Machinability | Good | Good |
| Conventional Fusion Weldability | Poor | Generally Good, with HAZ Softening |
| Corrosion Resistance | Requires Greater Care | Generally Better |
| Cold Formability in T6 | Limited | Limited |
| Relative Material Cost | Usually Higher | Usually Lower |
| Typical Use | High-Load Precision Parts | General Engineering and Fabrication |
Which Material Should You Select?
Select 7075-T6 when high strength and weight reduction are the primary engineering requirements.
Select 6061-T6 when weldability, general corrosion resistance, fabrication flexibility and material cost are more important.
For extensively machined thick plates, compare 7075-T651 against 6061-T651 based on the design requirements.
Machining and Fabrication Guidelines
CNC Milling and Drilling
7075-T6 aluminum can be machined into precision components using conventional CNC machining equipment.
Suitable operations include:
CNC Milling and Profiling
Drilling and Boring
Saw Cutting
Precision Component Machining
Mechanical Fastening Hole Preparation
Customized Blank Processing
For high-precision parts, appropriate tooling, workholding, cutting parameters and machining allowances should be selected.
Where substantial material removal may cause distortion, consider 7075-T651 plate and a suitable roughing and finishing strategy.
Welding
Conventional fusion welding of 7075-T6 is generally not recommended because of its cracking susceptibility and potential loss of mechanical properties in the heat-affected region.
Mechanical fastening, riveted joints and qualified alternative joining methods may be more appropriate.
Bending and Forming
7075-T6 has limited cold formability.
Tight bending radii, thick material and unfavorable grain orientation increase the risk of cracking.
For components requiring significant forming, alternative tempers or alloys should be considered.
Anodizing and Surface Protection
7075 aluminum can be anodized or coated, but the final surface appearance and protective performance depend on alloy chemistry, preparation and treatment conditions.
For decorative or corrosion-sensitive applications, sample validation and process qualification may be necessary.
Corrosion Resistance
7075-T6 should be evaluated carefully for environments involving moisture, chloride exposure and sustained tensile stress.
Overaged tempers such as T73/T7351 may provide improved stress-corrosion cracking resistance.
Where applicable, protective coatings or Alclad sheet products can also be considered.
Typical Applications of 7075-T6 Aluminum Sheet
Aerospace Components
Used for selected aircraft brackets, fittings, reinforcing components and structural sheet applications where high strength and low weight are required.
Material suitability depends on the aircraft design specification and approved supply source.
CNC Machined Components
Suitable for high-strength machine parts, housings, brackets and precision components produced by milling or drilling.
Industrial Machinery
Used in specialized machinery parts where high loading, dimensional requirements and material weight justify a high-strength aluminum alloy.
Precision Fixtures and Tooling
Suitable for selected machining fixtures, equipment components and precision supporting structures. For thicker blanks, 7075-T651 plate may be preferable.
High-Performance Automotive Engineering
Used in engineered lightweight fittings, supports and performance components after verification of fatigue, loading and operating conditions.
Robotics and Automation Equipment
May be used for selected structural elements and lightweight, high-strength mechanical parts where the stiffness and strength of aluminum 7075 meet the design needs.
Custom Cutting and Processing Services
Dongmeng Group supports international buyers requiring aluminum materials prepared for further industrial manufacturing.
Cut-to-Size Aluminum Sheets
Custom rectangular blanks may be arranged according to customer-specified length, width and thickness.
Precision Saw Cutting
Suitable for plate blanks intended for CNC machining and subsequent precision processing.
CNC Machining Coordination
Machining requirements may be reviewed using customer drawings, tolerances, surface-finish specifications and required quantities.
Surface Protection
Protective films, interleaving materials, edge protection and packaging options can be arranged subject to agreement.
Material Grade and Temper Selection
We can assist in reviewing whether 7075-T6, T651 or another alloy-temper combination is more appropriate for the required application.
Bulk and Project Procurement
Industrial orders can be reviewed for quantity, dimensions, inspection requirements, packaging and export delivery arrangements.
All custom processing and special material conditions are subject to technical review and availability confirmation.
Quality Inspection and Material Traceability
Material quality control is important for 7075 aluminum used in structural and precision applications.
Chemical Composition Verification
Material composition is checked against the specified alloy limits using manufacturer records or agreed testing methods.
Mechanical Property Testing
Tensile strength, yield strength and elongation should be verified using applicable material test documentation.
Dimensional Inspection
Thickness, width, length, flatness and other agreed dimensions should be checked against the purchase requirements.
Surface Inspection
Visual examination helps identify unacceptable scratches, dents, oxidation or handling damage.
Material Traceability
Material identification and documentation should allow supplied products to be linked to the appropriate production batch or lot.
Material Certification
Depending on the purchase specification and mill source, documentation options may include:
Mill Test Certificate
EN 10204 Type 3.1 Inspection Certificate
Chemical Composition Report
Mechanical Test Report
Dimensional Inspection Report
Optional Independent Third-Party Inspection
For aerospace applications, the required producer approvals and qualification records must be confirmed before procurement.
Packaging and International Delivery
7075 aluminum sheets and plates should be protected against mechanical damage during storage, handling and transportation.
Depending on the order, packaging may include protective interleaving, plastic film, waterproof wrapping, edge guards, secured pallets or wooden export crates.
Shipment marking should identify the alloy, temper, dimensions, quantity and relevant batch information.
International delivery and packaging requirements can be reviewed based on the shipment destination and agreed Incoterms.
Why Choose Dongmeng Group?
Industrial Material Knowledge
Our team supports buyers in evaluating alloy designations, temper conditions, material standards and intended applications.
Custom Material Sourcing
We review product requirements for dimensions, quantities, cutting and processing arrangements.
Inspection and Documentation Support
Technical documentation and agreed inspection requirements can be incorporated into the procurement process.
Broad Aluminum Product Range
Dongmeng Group supplies aluminum sheets, plates and other aluminum products across multiple alloy families.
B2B Export Support
We assist with quotations, customized procurement, protective packaging and international shipment coordination.
Engineering-Oriented Procurement
Our focus is to help customers source materials matching their specifications, not simply supply products based on nominal alloy names.
Frequently Asked Questions
Q1. What is 7075-T6 aluminum sheet?
7075-T6 is a high-strength, heat-treatable aluminum alloy sheet containing zinc, magnesium and copper. It is used for selected aerospace, mechanical and precision engineering components.
Q2. What is the difference between 7075-T6 and 7075-T651?
T6 indicates solution heat treatment followed by artificial aging. T651 additionally involves controlled stretching for residual stress relief, which can improve machining stability in thick plate products.
Q3. Is 7075-T6 aluminum stronger than 6061-T6?
Yes. 7075-T6 generally provides significantly higher tensile and yield strength than 6061-T6. However, 6061-T6 offers advantages in weldability, general corrosion resistance and fabrication flexibility.
Q4. What thicknesses are available for 7075-T6 aluminum sheet?
Thickness availability depends on the applicable specification, mill capability and product form. For thick 7075 aluminum plates, T651 is commonly specified. Send your thickness requirement for availability verification.
Q5. Can 7075-T6 aluminum sheet be welded?
Conventional fusion welding is generally not recommended because of susceptibility to cracking and degradation of mechanical properties in the welded area.
Q6. Is 7075-T6 suitable for CNC machining?
Yes. It is widely used for CNC-machined components. For thick stock requiring extensive material removal, 7075-T651 may provide improved distortion control.
Q7. Can 7075-T6 aluminum be bent?
Cold bending is limited and may cause cracking, particularly with tight radii. The bending process must be evaluated according to material thickness, grain direction and component geometry.
Q8. Does 7075-T6 comply with ASTM B209?
7075-T6 can be supplied to ASTM B209/B209M when the actual product meets the applicable standard's alloy, temper, dimensional and testing requirements. Compliance must be confirmed for the specified order.
Q9. Is 7075-T6 suitable for aerospace applications?
7075-T6 is an established aerospace alloy condition, but actual aircraft applications require conformity with the relevant engineering and procurement specifications, including traceability and source qualification.
Q10. Can 7075-T6 aluminum sheet be anodized?
Yes, although anodized appearance and performance depend on the specific treatment process. For critical surface requirements, testing and sample approval are recommended.
Q11. What is the corrosion resistance of 7075-T6?
7075-T6 requires more careful corrosion evaluation than general-purpose alloys such as 6061. In certain service conditions, T73/T7351 or suitable protective treatments may be preferred.
Q12. Can you provide cut-to-size 7075 aluminum sheets?
Cut-to-size supply can be reviewed according to material condition, thickness, dimensions, tolerance requirements and quantity.
Q13. What material certificates can be supplied?
Mill test reports, mechanical test results and additional inspection documents may be available according to the material source and order requirements. EN 10204 3.1 certification should be confirmed before purchase.
Q14. What is the minimum order quantity?
MOQ depends on material thickness, sheet dimensions, temper, processing requirements and mill availability. Send your detailed requirements for an order-specific quotation.
Q15. How can I get a quotation for 7075-T6 aluminum sheet?
Please provide the required alloy and temper, dimensions, quantity, material standard, inspection requirements and destination. Drawings are recommended for precision-cut or machined components.
Request a Quote for 7075-T6 Aluminum Sheet
High-Strength Aluminum Sheet for Your Manufacturing Project
Looking for 7075-T6 aluminum sheet for aerospace parts, CNC machining or precision industrial components?
Xi'an Dongmeng Group Co., Ltd. can assist with material selection, customized sourcing, processing coordination and export supply.
To receive an accurate quotation, please send:
Material Grade and Temper
Thickness × Width × Length
Required Quantity
Material Standard and Revision
Dimensional and Surface Requirements
Inspection and Certification Requirements
Delivery Destination
Send Your RFQ or Engineering Drawings Today
Our team will review your specifications and help identify an appropriate material supply solution.
Office Information
Phone: +86 15769214734
Email: office@dongmjd.com
WhatsApp: +86 15769214734
Office Address: Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province, China
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