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7050 Aluminum Plate

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7050 Aluminum Plate

7050 Aluminum Plate is a high-strength aerospace-grade alloy belonging to the 7000 series, composed mainly of zinc, magnesium, and copper. It is specifically engineered to maintain superior strength, toughness, and excellent resistance to stress corrosion cracking (SCC) in medium to thick sections.

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What is 7050 Aluminum Plate?

7050 Aluminum Plate is a high-strength aluminum alloy primarily composed of zinc, magnesium, and copper, designed for demanding aerospace and structural applications. It offers an exceptional combination of strength, toughness, and resistance to stress corrosion cracking, particularly in thick sections. Common tempers such as T7451 and T7651 provide excellent mechanical properties and dimensional stability after heat treatment. The plate is typically supplied in thicknesses ranging from 12.7 mm to 152 mm and conforms to standards like AMS 4050, ASTM B209, and AMS-STD-2154. With surface finishes available in bare or alclad form, 7050 Aluminum Plate is widely used in aircraft wing spars, fuselage frames, bulkheads, and other critical load-bearing components that require high strength and durability. 7050 Aluminum Plate for sale

7050 Aluminum Plate Specification

Alloy	7050 (Al-Zn-Mg-Cu Series)
Temper	T7451, T7651
Thickness Range	12.7 mm – 152 mm (0.5″ – 6″)
Width Range	Up to 1220 mm (48″)
Length Range	Up to 3660 mm (144″)
Surface Finish	Bare or Alclad (optional mechanical/milled finish)
Standard	AMS 4050, ASTM B209, AMS-STD-2154
Application	Aircraft wing spars, fuselage frames, bulkheads, high-strength structural components

7050 Aluminum Plate stock list

Alloy	Temper	Thickness (mm)	Width (mm)	Length (mm)	Surface Finish	Standard
7050	T7451	12.7	1000	2000	Bare	AMS 4050 / ASTM B209
7050	T7451	25.4	1220	2440	Bare	AMS 4050 / ASTM B209
7050	T7451	38.1	1220	3000	Alclad	AMS 4050 / AMS-STD-2154
7050	T7651	50.8	1220	3000	Bare	AMS 4050 / ASTM B209
7050	T7651	63.5	1220	3500	Bare	AMS 4050 / AMS-STD-2154
7050	T7451	76.2	1220	3660	Alclad	AMS 4050 / ASTM B594
7050	T7651	101.6	1220	3660	Bare	AMS 4050 / ASTM B209
7050	T7451	152.4	1220	3660	Bare	AMS 4050 / AMS-STD-2154

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What are 7050 Aluminum Plate used for?

7050 Aluminum Plates are primarily used in aerospace and high-performance structural applications where high strength, toughness, and excellent resistance to stress corrosion cracking are required. They are widely applied in aircraft structures such as wing spars, fuselage frames, bulkheads, ribs, and landing gear components. In addition to aerospace, 7050 plates are also used in high-load industrial parts, precision tooling, and defense equipment that demand superior mechanical strength and stability in thick sections. Their combination of high strength-to-weight ratio and good fatigue performance makes them ideal for critical load-bearing applications. 7050 Aluminum Plate price

What are the characteristics of 7050 Aluminum Plate?

7050 Aluminum Plate is known for its exceptional combination of high strength, toughness, and resistance to stress corrosion cracking, especially in thick sections. It offers superior mechanical properties compared to many other aluminum alloys in the 7000 series, while maintaining good fracture toughness and fatigue resistance. The alloy provides excellent dimensional stability after heat treatment and is available in tempers like T7451 and T7651 to balance strength and corrosion resistance. Its consistent performance under heavy loads and harsh environments makes it a preferred material for aerospace and defense structures that require long-term reliability and high structural integrity.