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Help CenterAluminum Plate 7075 T651 1/2 Inch High Strength 70 Ksi Tensile for Aerospace
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Hemaokang Steel (Shandong) Co., Ltd. is a newly established yet rapidly growing supplier of high-performance aluminum products, with an annual export value reaching US$50 million – US$100 million and a dedicated team of 51–100 employees. Our Aluminum Plate 7075 T651 1/2 Inch is engineered to deliver exceptional strength and reliability for the most demanding aerospace applications. Combining a yield strength of over 60 ksi with excellent machinability, this plate offers a superior strength-to-weight ratio that helps reduce structural weight without compromising safety. Backed by our ISO9001-certified quality management system, every plate is produced under strict process control to ensure consistent mechanical properties and dimensional accuracy.
The 7075 alloy, primarily composed of aluminum, zinc, magnesium, and copper, is one of the highest strength aluminum alloys available. The T651 temper indicates that the material has been solution heat-treated, stress-relieved by stretching, and artificially aged to achieve optimal strength and stability. This specific plate is 1/2 inch (12.7 mm) thick and offers a guaranteed tensile strength of 70 ksi (483 MPa), making it an ideal choice for structural components in aircraft, spacecraft, and other high-stress environments. Below are the key technical specifications:
| Parameter | Value |
|---|---|
| Thickness | 1/2 inch (12.7 mm ± 0.005 inch) |
| Tensile Strength | 70 ksi (483 MPa) minimum |
| Yield Strength (0.2% offset) | 60 ksi (414 MPa) typical |
| Elongation | 10% in 2 inches |
| Hardness (Brinell) | 150 HB typical |
| Density | 2.81 g/cm³ |
| Standard Width | 48 inches (1220 mm) – custom widths available |
| Standard Length | 96 inches (2440 mm) – custom lengths up to 240 inches |
Product Features & Benefits:
- High Strength-to-Weight Ratio: 7075 aluminum offers strength comparable to many steels but at only one-third the weight, enabling lighter structures without sacrificing load capacity.
- Excellent Fatigue Resistance: The T651 temper provides superior resistance to cyclic loading, critical for aircraft wings and fuselage frames that experience repeated stress.
- Good Machinability: Despite its high strength, 7075 can be machined to tight tolerances using standard techniques, reducing production time and cost.
- Stress-Relieved: The stretching step in T651 processing minimizes internal residual stresses, ensuring dimensional stability during and after machining.
- Consistent Quality: Each plate is tested for mechanical properties and flatness, with certificates available upon request.
- Versatile Applications: Beyond aerospace, this plate is widely used in military equipment, high-performance automotive parts, mold tooling, and sporting goods.
- Customizable Sizes: We offer cutting, drilling, and edge finishing services to meet your exact project requirements.
Technical Advantages for Aerospace Use:
Aerospace components require materials that can withstand extreme stress, temperature variations, and corrosive environments. The 7075 T651 plate excels in these areas:
- It is commonly specified for wing spars, bulkheads, stringers, and landing gear parts in commercial and military aircraft.
- The alloy’s high shear strength makes it suitable for fastener applications and structural joints.
- With proper surface treatment (e.g., alodine or anodizing), it offers good corrosion resistance, though it is not as corrosion-resistant as 6061; coating is recommended for exposed parts.
- Its low coefficient of thermal expansion ensures dimensional stability across a wide temperature range, from -50°C to 120°C.
Ordering & Customization: We understand that every project has unique requirements. Our sales team can provide plates in custom widths, lengths, and thicknesses (e.g., 1/4 inch, 3/4 inch). We also offer value-added services such as saw cutting, laser cutting, and CNC machining. For large orders, we can negotiate special pricing and lead times. Minimum order quantity: 1 piece (sample orders welcome).
Packaging & Logistics: Plates are individually separated with protective paper, wrapped in waterproof kraft paper, and packed in wooden crates or steel pallets for export. We ship via sea, air, or express (DHL, FedEx) to all major ports worldwide. Typical delivery time: 7–15 days for standard sizes, 15–25 days for custom orders.
Company Trustworthiness: Since our founding in 2025, Hemaokang Steel has rapidly built a reputation for premium quality and reliable service. Our ISO9001 certification ensures that every step from raw material sourcing to final inspection is controlled and traceable. With an annual export value of US$50 million – US$100 million and a presence in markets across North America, South America, Europe, Asia, Africa, and Oceania, we have the capacity and experience to serve both small workshops and large OEMs. Our team of 51–100 professionals, based in Liaocheng, Shandong, China, is dedicated to providing technical support, competitive pricing, and on-time delivery. We invite you to contact us for a quote or to discuss your aerospace plate requirements. Let Hemaokang be your trusted partner in high-strength aluminum solutions.
Frequently Asked Questions (FAQ)
-
What is the difference between 7075 T651 and 7075 T6?
T651 is a stress-relieved version of T6. After solution heat treatment, the plate is stretched to relieve internal stresses, then artificially aged. This results in better dimensional stability during machining, making T651 preferred for large flat plates. -
Can this plate be welded?
7075 aluminum is generally not recommended for welding due to its high zinc content, which can cause cracking. Mechanical fastening or adhesive bonding is typically used for joining. If welding is required, special filler metals and procedures may be used, but strength in the weld zone will be reduced. -
What surface finishes are available?
Standard finish is mill finish (as rolled). We also offer anodizing, alodine coating, and painting upon request. For aerospace applications, alodine or chromate conversion coating is common to improve corrosion resistance. -
How do you ensure flatness and surface quality?
Each plate is leveled during rolling and stress-relieved to achieve a flatness tolerance of 0.005 inch per foot. Surface scratches are prevented by protective interleaving. We perform visual and dimensional inspection before packing. -
What is the typical lead time for a custom order?
For standard sizes (48"x96"), lead time is 7–10 days after order confirmation. For custom sizes or additional processing (cutting, drilling), expect 15–20 days. Rush orders can be arranged with an additional fee. -
Do you provide material test certificates?
Yes, we provide mill test certificates (MTC) per ASTM B209 and EN 485 standards. Third-party inspection is also welcome and can be arranged at an extra cost. -
Is this plate suitable for marine environments?
7075 has limited corrosion resistance in saltwater. It is not recommended for direct seawater exposure unless properly coated or anodized. For marine applications, 5083 or 6061 alloys are often preferred. -
Can I get a sample before ordering in bulk?
Yes, we offer sample orders (1–2 pieces) at a reasonable price. The sample cost will be deducted from the first bulk order if placed within 30 days.
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