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Aerospace Grade Aluminum Wire

-- Steady & Reliable Manufacturer --

Intro

Ultra-premium aluminum filler metals meeting strict aerospace standards (e.g., MIL-SPEC, AMS) for high-strength, fatigue-critical, and safety-critical applications in aircraft and launch vehicles.

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Introduction

Aerospace applications demand the highest possible material quality and traceability. Our aerospace-grade wire is produced under a certified Quality Management System that mandates ultra-low levels of impurities, non-standard alloy compositions (like ER2319 or Al-Li compatible fillers), and extremely tight chemical and dimensional tolerances. The wire is shaved, multi-stage cleaned, and sealed in inert gas to ensure zero defects and consistent performance in the most demanding welding applications, such as large-scale fuel tanks or airframe structures.

Specification

Quality FocusMIL-SPEC, AMS (Aerospace Material Specifications) compliant
Material FocusER2319, ER4047, Specialized 5XXX and Al-Li compatible wires
Key PropertySuperior fracture toughness, High strength-to-weight ratio
Purity ControlExtremely low non-metallic inclusions and hydrogen content
PackagingSealed under vacuum/inert gas for zero surface contamination

Applications

  • Welding fuel tanks and cryogenic vessels for launch vehicles and rockets.

  • Joining primary airframe structures and components requiring high fracture toughness.

  • Repair and manufacture of specialized defense and military aerospace equipment.

  • Welding of heat-treatable aluminum alloys (e.g., 2XXX series base metal).

FAQ

  • Q: What is the primary aluminum alloy filler metal used for welding 2XXX base metals in aerospace?
  • A: ER2319 (Al-Cu) is the standard filler metal used for 2XXX series base metals (like 2219) because it provides a weld deposit that is heat-treatable, allowing the final assembly to achieve the high strength required for airframe structures.
  • Q: Why is cleanliness more critical for aerospace welding than for general fabrication?
  • A: Contaminants (especially oxides/moisture) lead to porosity. In aerospace, this porosity can drastically reduce the fatigue life and fracture toughness of the structure, leading to catastrophic failure under cyclic loading.

Advantages

  • Maximum Safety Assurance: Unprecedented traceability and quality control eliminate material-related risk in safety-critical air and space applications.

  • Meets Toughness Requirements: Specialized alloys and production methods ensure the weld metal achieves the required toughness for resisting crack propagation.

  • Zero Defect Performance: The superior cleanliness guarantees porosity-free, X-ray quality welds essential for critical pressure vessels and structures.

  • Custom Alloys: Access to special alloys (e.g., ER2319 for 2XXX base metals) that are often mandatory for aerospace repair and fabrication.

Payment and Shipping

  • Full Traceability: Every spool comes with a complete history and certified chemical analysis (MTC) for full audibility.

  • Customer Audits: Welcoming facility audits by aerospace prime contractors and material inspection agencies.

  • Specialized Logistics: Handled as a premium commodity with dedicated, protective, and documented shipping.

About Us

Coming From China, Marketing To The World.

Hangzhou Kunli welding materials Co., Ltd. is China Aerospace Grade Aluminum Wire Manufacturers and Wholesale Aerospace Grade Aluminum Wire OEM/ODM Suppliers. We are located in the industrial zone of Puyang Town, Xiaoshan District, Hangzhou, Zhejiang Province. It is a high-technology enterprise specializing in the research, development and manufacturing of high-performance. The company has more than 20 years of aluminum alloy wire production experience, with international advanced manufacturing equipment, complete testing equipment,stable production process and strict quality control system.
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