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Aluminum Wire for Aerospace Applications

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Product Description

Ultra-high purity aluminum filler metals specified for aerospace, defense, and space applications (e.g., MIL-SPEC, AMS standards). These materials, including ER2319, ER4043, and ER5183, are subjected to the strictest control over impurity levels (especially Fe, Cu, Zn), demanding full NADCAP compliance in the melting and drawing process. The focus is on ensuring absolute minimum defect rates (sub-0.5% porosity) and guaranteeing the structural integrity required for components that operate under extreme cyclic loading and thermal variation.

DB Certification CE Certification ABS Certification DNV Certification CCS Certification

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20+ Years Experience

Over two decades of aluminum alloy wire production expertise

International Certifications

DB, CE, ABS, DNV, CCS and other authoritative certifications

200MT Monthly Capacity

Large-scale production with consistent quality

Global Export

Exporting to over 30 countries worldwide

Introduction

Aerospace manufacturing requires material quality that exceeds commercial standards. Our aluminum wire for this critical sector is processed in dedicated, contamination-controlled facilities, with every stage meticulously documented to satisfy rigorous customer and regulatory auditing. Traceability is paramount: every finished spool can be tracked back to its specific certified billet source. Our commitment extends to providing materials that support the longevity of airframe structures, propulsion systems, and cryogenic tanks, where the cost of failure is astronomical.

Specification

Quality StandardCompliance with AMS, MIL-W specifications, and NADCAP material requirements
Impurity LimitsUltra-low concentration limits (e.g., Fe <0.10%, Zn <0.05%) for specific aerospace alloys
Alloy FocusER2319 (Al-Cu), ER4043, ER5183 (Most common standard alloys)
Testing RequiredMandatory NDT compliance (X-ray/UT) and Charpy V-Notch (for low temp)
DocumentationComplete MTCs, Certificates of Conformance, and often Level III NDE reports

Applications and Solutions

  • Cryogenic Fuel Tanks: Welding high-purity aluminum-lithium (Al-Li) structures or 2219 base metal for space launch vehicles (using ER2319).

  • Airframe and Wing Structures: Joining structural components made from 2XXX and 7XXX base metals where fracture toughness and fatigue resistance are essential.

  • Defense and Military Vehicles: Welding ballistic-grade aluminum armor (e.g., 5083, 7039) where weld strength and impact resistance are non-negotiable.

  • Precision Components: TIG welding of small, highly stressed components in navigation systems and avionics enclosures.

FAQ

  • Q: What is the main difference between aerospace and commercial ER5183?A: The primary difference is the purity and documentation. Aerospace-grade ER5183 has much tighter chemical tolerances (especially for tramp elements like Fe and Cu) and requires significantly more rigorous process control and auditability (NADCAP/AMS standards).
  • Q: Why is ER2319 used for some aerospace structures?A: ER2319 is necessary to weld 2XXX series base metals (like 2219), which are high-strength Al-Cu alloys. ER2319 restores the base metal's strength after post-weld heat treatment, essential for missile and space vehicle fuel tanks.
  • Q: What is NADCAP compliance?A: NADCAP (National Aerospace and Defense Contractors Accreditation Program) is a global cooperative program that manages quality assurance for aerospace, defense, and related industries. Compliance signifies that our manufacturing processes meet the highest global standards for critical components.

Advantages and Core Features

  • Guaranteed Purity: Extremely low levels of tramp elements (Fe, Cu) minimize the risk of brittle intermetallic phase formation in the weld, crucial for fracture toughness.

  • Full Traceability: Strict chain of custody documentation from the primary billet melt to the final sealed spool, satisfying all MIL-SPEC audit requirements.

  • Defect Minimization: Proprietary ultra-cleaning and sealing processes ensure the lowest possible hydrogen content, achieving the NDT standards required for life-critical components.

  • Specialized Alloys: Providing difficult-to-produce, heat-treatable fillers like ER2319 necessary for aerospace-grade 2XXX alloy welding.

Material Selection Guide

For 2XXX base metals requiring high strength, select ER2319 with mandatory PWHT. For standard 5XXX or 6XXX airframe components, use ER5183 or ER4043, but always specify the aerospace-grade purity version of these standard alloys. Focus on the chemical limits of Fe and Cu listed on the MTC, as these are primary indicators of aerospace quality.

About Us

Coming From China, Marketing To The World.

Hangzhou Kunli welding materials Co., Ltd. is China Aluminum Wire for Aerospace Applications Manufacturers and Wholesale Aluminum Wire for Aerospace Applications 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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