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Aluminum Alloy Wire for Offshore Platforms

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Product Description

Aluminum filler metals for use in the highly aggressive, saltwater environment of offshore oil and gas platforms. These materials must meet dual requirements: superior corrosion resistance (to 5XXX base metals like 5083) and structural strength to withstand high wind and wave forces. ER5183 is the standard, selected for its high Mg content, which resists chloride attack, and its high strength and fracture toughness. Fillers must comply with stringent marine and offshore standards (e.g., DNV GL, API).

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

Offshore structures rely on aluminum for weight reduction in topside modules, helicopter decks, and living quarters, dramatically lowering the center of gravity and reducing construction costs. The material system must survive continuous exposure to saltwater splash zones and extreme temperatures. Our offshore-grade ER5183 is certified to the highest marine standards, ensuring the welds provide the necessary structural integrity, fatigue performance, and absolute corrosion immunity required for remote, critical-access structures where maintenance is extremely costly.

Specification

Key RequirementHigh Corrosion Resistance, High Strength, Certified Toughness
Standard AlloyER5183 (High Strength, Marine Grade)
Compliance CodesDNV GL, ABS, Lloyd's Register (Offshore/Marine Rules)
TestingCharpy V-notch (Low Temperature), Fatigue Testing
Corrosion FocusResistance to Pitting and Stress Corrosion Cracking (SCC)

Applications and Solutions

  • Helicopter Landing Decks: Welding large aluminum plate structures that require high strength and all-weather corrosion protection.

  • Accommodation Modules: Fabrication of lightweight living quarters and internal structural frames.

  • Cable Trays and Walkways: Welding non-structural components exposed to the splash zone and atmospheric corrosion.

  • Repair and Modification: On-site welding repairs and modification of existing topside aluminum structures.

FAQ

  • Q: Why is ER5183 preferred over ER5356 for offshore?A: ER5183 contains higher Mg and Mn levels, resulting in a slightly higher weld tensile strength, better fatigue performance, and superior toughness, which is necessary for the most critical offshore structural joints.
  • Q: Do offshore welding procedures require special NDT?A: Yes. All critical offshore structural welds require extensive Non-Destructive Testing (NDT), typically including UT (Ultrasonic Testing) or RT (Radiographic Testing) to ensure freedom from porosity and inclusions.
  • Q: Is ER5183 susceptible to SCC in offshore heat applications?A: If ER5183 is used in applications that reach sustained temperatures above 65∘C (e.g., heated lines or exhaust areas), there is an SCC risk. Specialized, low-Mg alloys are needed for those areas, while ER5183 remains standard for the main structural components.

Advantages and Core Features

  • Highest Structural Integrity: ER5183 provides the highest weld strength and toughness among non-heat-treatable marine fillers, essential for primary load-bearing offshore components.

  • Certified Marine Performance: Fillers are verified by global classification societies for use in extreme offshore environments.

  • Excellent Fatigue Life: Weld deposits are highly resistant to fatigue crack propagation, critical for structures exposed to constant wind and wave cyclic loading.

  • Reliable SCC Resistance: Carefully controlled Mg levels minimize the risk of SCC in the weld deposit under the combined stress and environment of the platform.

Material Selection Guide

For offshore platforms, select the highest performing 5XXX filler, which is typically ER5183, to join 5083 base metal. Prioritize wire with Type Approval from the project's classification society (DNV,ABS). For specific areas requiring extreme low-temperature toughness (e.g., certain Arctic applications), verify Charpy V-notch results.

About Us

Coming From China, Marketing To The World.

Hangzhou Kunli welding materials Co., Ltd. is China Aluminum Alloy Wire for Offshore Platforms Manufacturers and Wholesale Aluminum Alloy Wire for Offshore Platforms 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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