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Aluminum Magnesium Welding for Shipbuilding

-- Steady & Reliable Manufacturer --

Shipyard Structural Joining

Shipbuilding requires welding massive sections in all positions (flat, vertical, and overhead). Our Al-Mg shipbuilding wire is optimized for All-Position Welding and high-deposition robotic gantries. The metallurgy focuses on maintaining a tight freezing range, which prevents weld-pool sagging during vertical-up passes. This wire is essential for joining the complex network of longitudinal and transverse stiffeners found in modern aluminum ship hulls, ensuring the vessel can withstand extreme torsional loads.

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

Building the Future of Naval Architecture

We are a strategic partner to the world's leading shipyards. We understand the complexity of modern ship assembly, where speed must never compromise safety. Our Al-Mg shipbuilding wire is engineered to meet the stringent demands of international classification societies. From LNG carriers to high-speed patrol craft, we provide the metallurgical consistency and technical support that allow shipbuilders to push the limits of aluminum construction with confidence.

Shipbuilding Tech Specs

ComplianceEN 15085 / AWS D1.2
Tensile (As Welded)285−315 MPa
Fatigue LifeEnhanced (Fine-grain structure)
Hardness75−85 HBW
Spool Types7 kg,15 kg (Plastic/Basket)

Shipbuilding Scenarios

  • Hull Plate Seams: Automated welding of long longitudinal seams on catamaran hulls.

  • Bulkhead Assembly: Joining thin-gauge internal walls for weight-sensitive naval vessels.

  • Engine Foundations: High-strength welding of structural supports for marine engines.

  • Solution: Maximizing shipyard productivity through our "Stable-Arc" technology that reduces robotic downtime by 15%.

Professional FAQ

  • Q: Can I use 5356 for the main hull structure?A: It is allowed, but ER5183 is generally preferred because it offers higher as-welded strength for marine alloys.
  • Q: Does it work for automatic sub-arc welding?A: Yes, we provide larger diameter wires specifically for automated marine fabrication systems.

Performance Features

  • Excellent Wetting: Ensures smooth toe-blending, reducing the risk of stress risers in the hull.

  • High Strength-to-Weight: Facilitates the construction of faster, more fuel-efficient aluminum ships.

  • Robotic Ready: Precision-wound for snag-free feeding in 20 m long robotic torch conduits.

  • Zero Inclusions: Ultra-clean wire surface prevents slag or oxide trapping in multi-pass welds.

Selection Guide

For Deep-V Hulls, use ER5183 for its high fracture toughness. For Deckhouses and Superstructures, ER5356 is the most versatile choice.

About Us

Coming From China, Marketing To The World.

Hangzhou Kunli welding materials Co., Ltd. is China Aluminum Magnesium Welding for Shipbuilding Manufacturers and Wholesale Aluminum Magnesium Welding for Shipbuilding 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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