7150 Aluminum Plate
7150 aluminum plate is a high-strength, heat-treatable alloy belonging to the 7000 series (Al-Zn-Mg-Cu).7150 is specifically designed to meet the rigorous demands of the aerospace industry. It is characterized by its excellent balance of strength, fatigue resistance, fracture toughness, and corrosion resistance. Since its introduction, it has become a standard material for critical structural components in modern aircraft.
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Overview
7150 aluminum plate is a high‑strength Al‑Zn‑Mg‑Cu heat‑treatable alloy of the 7000 series, specially developed for aerospace structural applications. It delivers an outstanding balance of ultrahigh strength, fatigue resistance, fracture toughness, and corrosion resistance. Compared with 7055, it has slightly lower strength but significantly better thick‑section performance, overall reliability, and stress corrosion cracking resistance.
Specification
Alloy: 7150
Temper: T651, T7751, T6151, T77511
Thickness: 7150 aluminum sheet: 0.02"–0.24" (0.5mm–6mm); 7150 aluminum plate: 0.32"–9.84" (8mm–250mm)
Width: 7150 aluminum sheet: 35.4"–104"(900mm–2650mm); 7150 aluminum plate: 39.4"–150" (1000mm–3800mm)
Length: Max 20m, or Customized
Coating film: Blue film, black & white film, transparent film (50μm or 80μm)
Surface finish: Mill finish, polished, brushed, sand blasted, etched, or per aerospace spec
Feature
1.Ultrahigh strength for lightweight high‑load structures.
2.Outstanding fatigue resistance and fracture toughness under repeated cyclic loads.
3.T7751 temper greatly improves stress corrosion cracking resistance for harsh environments.
4.Good dimensional stability after heat treatment, suitable for precision CNC machining.
5.Better overall reliability and corrosion resistance than 7055 in thick plates.
6.Supports customized sizes, cutting, and precision machining services.
Application
7150 aluminum plate is mainly used in aerospace for aircraft wing spars, wing skins, fuselage frames, bulkheads, landing gear support structures, and other critical high‑stress components. It is also applied in military equipment including missile bodies, fighter structures, and military transport parts; spacecraft components such as satellite brackets and rocket sections; as well as high‑performance transportation including high‑speed train frames, race car chassis and suspension systems. It is the preferred material for designs requiring ultrahigh strength, fatigue resistance, and long‑term structural stability.
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