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Aluminum 7150
Aluminum 7150 is a high-strength, heat-treatable aluminum alloy developed for critical aerospace and defense applications where fracture toughness, fatigue resistance, and stress-corrosion performance are non-negotiable. Used extensively in thick plate and highly loaded structural components, Aluminum 7150 offers superior mechanical properties compared to earlier 7xxx-series alloys, making it ideal for airframe structures, bulkheads, wing components, and other safety-critical parts. Tech Steel & Materials supplies Aluminum 7150 to exact specifications, supporting demanding programs that require full material traceability, tight dimensional control, and consistent performance across production runs.
While Aluminum 7150 is most commonly specified for aerospace and defense structures, it’s also used in select high-performance applications such as motorsport, space systems, and specialized industrial components where strength, toughness, and weight optimization are critical.
FAQ
What is Aluminum 7150 used for?
Aluminum 7150 is primarily used in aerospace and defense structural components where very high strength, fracture toughness, and fatigue resistance are required. Typical applications include wing structures, bulkheads, fuselage frames, and other highly loaded airframe parts made from thick plate or large cross-sections.
How does Aluminum 7150 compare to Aluminum 7075?
Aluminum 7150 was developed as an improvement over earlier 7xxx-series alloys such as 7075. While both offer high strength, 7150 provides better fracture toughness, improved stress-corrosion cracking resistance, and more consistent properties in thick sections, making it better suited for critical aerospace structures.
Can Aluminum 7150 be machined?
Yes. Aluminum 7150 is commonly machined into complex aerospace components. While it is a high-strength alloy, it offers good machinability for structural aluminum, especially when proper tooling and cutting parameters are used.
Does Tech Steel & Materials provide certification and traceability?
Yes. Tech Steel & Materials supplies Aluminum 7150 with full material certification, traceability, and documentation to support aerospace, defense, and other regulated programs. Additional testing and documentation can be provided based on project requirements.
Select AMS
| AMS Number | Alloy | Type | UNS | Cross Ref. Spec | Misc./Shape | |
|---|---|---|---|---|---|---|
| AMS 4252 | 7150 | Aluminum | A97475 | - | Plate |
|
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