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Aluminum Wire for Railway/High-Speed Rail

-- Steady & Reliable Manufacturer --

Intro

Certified aluminum filler metals (ER5087, ER5183) manufactured for the structural and safety-critical welding of high-speed rail and metro carriage bodies.

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Introduction

Railway manufacturing, especially for high-speed systems (like Shinkansen or European high-speed rail), demands the highest level of weld integrity, fatigue life, and structural strength to ensure passenger safety and operational longevity. Our specialized wires for this sector are high-strength 5XXX series alloys (often ER5087 and ER5183) that meet rigorous structural standards like Europe's EN 15085 or Germany's DB (Deutsche Bahn) certification. The wire is produced with an emphasis on low-porosity, high-toughness welds to withstand constant dynamic loading.

Specification

Structural StandardCompliance with EN 15085, often requires DB certification
Material FocusER5087, ER5183 (for high strength and fatigue life)
Key PropertyHigh fatigue resistance, excellent toughness
Weld IntegrityDesigned for X-ray quality welds and minimal defects
Supply FormLarge drums for automated, continuous welding in train factories

Applications

  • Welding main body shells, floors, and roofs of high-speed rail carriages.

  • Fabrication of metro, urban rail, and light rail vehicle structures.

  • Repair and maintenance of railcar body structures and components.

  • Joining of structural aluminum alloys (e.g., 6061, 6082) used in railway construction.

FAQ

  • Q: Why is ER5087 often mandated for high-speed rail welding over standard ER5356?
  • A: ER5087 offers similar high strength but contains Zirconium (Zr) for grain refinement and better resistance to stress corrosion cracking, enhancing the long-term structural integrity required for railcars.
  • Q: What is the typical inspection requirement for railcar body welds?
  • A: Railcar main structural welds are typically designated as safety-critical and often require Non-Destructive Testing (NDT) methods like X-ray or Ultrasonic Testing, necessitating near-zero porosity and inclusion defects.

Advantages

  • Safety Critical Compliance: Materials are pre-qualified to meet the stringent structural and safety codes required by global railway authorities.

  • Fatigue Resistance: Specialized alloys and clean processing ensure the weld deposit can withstand the constant vibration and stress cycles of rail travel.

  • Lightweighting: Facilitates the high-strength welding of aluminum structures, reducing overall carriage weight for energy efficiency.

  • Logistics: Dedicated support for the synchronized supply schedules required by large railcar manufacturing facilities.

Payment and Shipping

  • Documentation: Full supply of certified MTCs and any required third-party structural welding certificates (e.g., DB Certificate).

  • Audit Readiness: Prepared for quality system audits from major international railcar manufacturers.

  • Contractual Supply: Long-term, fixed-price contracts for large-volume rail manufacturing projects.

About Us

Coming From China, Marketing To The World.

Hangzhou Kunli welding materials Co., Ltd. is China Aluminum Wire for Railway/High-Speed Rail Manufacturers and Wholesale Aluminum Wire for Railway/High-Speed Rail 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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