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Stress Corrosion Resistant 7050-T7451 Aerospace Aluminum Alloy Bar with High Strength-to-Weight Ratio and Superior Thick-Section Properties

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Stress Corrosion Resistant 7050-T7451 Aerospace Aluminum Alloy Bar with High Strength-to-Weight Ratio and Superior Thick-Section Properties

Stress Corrosion Resistant 7050-T7451 Aerospace Aluminum Alloy Bar with High Strength-to-Weight Ratio and Superior Thick-Section Properties
Stress Corrosion Resistant 7050-T7451 Aerospace Aluminum Alloy Bar with High Strength-to-Weight Ratio and Superior Thick-Section Properties

Large Image :  Stress Corrosion Resistant 7050-T7451 Aerospace Aluminum Alloy Bar with High Strength-to-Weight Ratio and Superior Thick-Section Properties

Product Details:
Place of Origin: China
Brand Name: taigang
Certification: SGS,ISO,CE,BIS
Model Number: 7050-T7451
Payment & Shipping Terms:
Minimum Order Quantity: 1 TON
Price: Negotiation
Packaging Details: Export sea worthy packing with wooden pallet and well tied and protected, Or as to clients' requirements.
Delivery Time: 3~10 DAYS, Most of sizes are in stock
Payment Terms: L/C,D/A,D/P,T/T
Supply Ability: 2000Tons /Month
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Stress Corrosion Resistant 7050-T7451 Aerospace Aluminum Alloy Bar with High Strength-to-Weight Ratio and Superior Thick-Section Properties

Description
Highlight:

7050-T7451 Aerospace Aluminum Bar

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Stress Corrosion Resistant Aluminum

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Aircraft Structural Aluminum Alloy

Stress Corrosion Resistant 7050-T7451 Aerospace Aluminum Alloy Bar

The 7050-T7451 aerospace aluminum alloy bar represents the industry benchmark for high-strength structural applications where stress corrosion cracking resistance is paramount. Developed as an evolution of the 7075 alloy series, 7050 incorporates zirconium instead of chromium for grain refinement and improved quench sensitivity, enabling superior mechanical properties in thick-section components exceeding 75 mm.

The T7451 over-aged temper provides an engineered balance of strength, fracture toughness, and stress corrosion cracking resistance validated through decades of aerospace service. Aircraft manufacturers, defense contractors, and spacecraft engineering companies select 7050-T7451 aluminum bars for critical structural components that operate under sustained tensile stress in corrosive atmospheric conditions.

Key Features
  • Superior Stress Corrosion Cracking Resistance: The T7451 over-aged temper condition significantly reduces susceptibility to intergranular stress corrosion cracking, ensuring long-term structural integrity in humid, marine, and industrial atmospheric environments.
  • High Strength-to-Weight Ratio: Achieves a minimum tensile strength of 510 MPa while maintaining aluminum lightweight properties, enabling fuel-efficient aircraft designs with reduced structural weight compared to titanium or steel alternatives.
  • Excellent Fracture Toughness: Zirconium-based grain structure provides outstanding resistance to crack propagation in thick-section components, supporting damage-tolerant design philosophies in modern aircraft engineering.
  • Superior Thick-Section Properties: Maintains consistent strength through cross-sections exceeding 100 mm, unlike 7075 which exhibits significant strength drop-off in thick sections due to quench sensitivity.
  • Reliable Machining Performance: Responds well to CNC milling, turning, and drilling operations with predictable chip formation and consistent surface quality across large production batches.
  • Validated Aerospace Heritage: Extensively characterized and approved under AMS 4050 and QQ-A-430 specifications, with decades of flight data from commercial and military aircraft programs worldwide.
Technical Specifications
Parameter Specification
Alloy Grade 7050-T7451
Chemical System Al-Zn (5.7-6.7%)-Mg (1.9-2.6%)-Cu (2.0-2.6%)-Zr (0.08-0.15%)
Tensile Strength ≥ 510 MPa (Longitudinal)
Yield Strength (0.2% Offset) ≥ 440 MPa (Longitudinal)
Elongation at Break ≥ 7% (Longitudinal)
Hardness ≥ 150 HB
Fracture Toughness (KIC) ≥ 29 MPa√m (L-T orientation, typical)
Diameter Range 10 mm - 300 mm
Length Options 1 m / 2 m / 3 m / Custom up to 6 m
Shape Availability Round Bar, Flat Bar
Surface Finish Options Mill Finish / Polished / Chromic Acid Anodized
Applicable Standards AMS 4050, ASTM B211, QQ-A-430, EN 2100
NDT Inspection Ultrasonic (AMS-STD-2154 Class A) available on request
Applications

7050-T7451 aluminum bars are engineered for the most demanding aerospace structural applications where strength, fracture toughness, and stress corrosion resistance are simultaneously required. Primary applications include aircraft wing spars and ribs, fuselage frames and bulkheads, landing gear support structures, helicopter rotor system components, spacecraft structural frames, missile airframe sections, and high-performance racing vehicle chassis components.

The alloy is extensively used in Boeing 777, Airbus A380, and military fighter aircraft programs where thick-section structural integrity under sustained tensile loads is critical for flight safety certification. Ground support equipment and launch vehicle structures also benefit from the alloy corrosion-resistant properties in coastal and tropical operating environments.

Packaging & Quality Assurance

7050-T7451 aerospace aluminum bars are packaged in export-grade seaworthy wooden crates with internal foam cushioning and moisture-barrier VCI film wrapping to prevent corrosion during ocean freight. Each bar is individually labeled with heat number, lot traceability code, and dimensional data for complete material pedigree tracking.

Our quality assurance program includes spectrographic chemical analysis per AMS 4050 requirements, electrical conductivity testing for temper verification, ultrasonic immersion inspection per AMS-STD-2154 Class A, tensile testing from each heat lot, and stress corrosion cracking susceptibility testing per ASTM G47 when specified.

Full material certification packages including chemical analysis reports, mechanical test results, and NDT reports are provided with every shipment. All products carry SGS, ISO 9001, CE, and BIS certifications with complete mill traceability.

Tag:

Offshore 5083 Marine Aluminum Bar,

7075-T651 Aerospace Aluminum Bar,

Alloy Aluminum Bar

Contact Details
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Contact Person: Johnny

Tel: 13395131255

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