ER 5183 is a high-strength aluminum alloy welding filler metal (wire/rod) with significant magnesium (around 5%) and manganese, known for excellent crack resistance, high tensile strength, and superior corrosion resistance, especially in marine environments; it's ideal for welding high-magnesium base metals like 5083, 5086, and 5456 for applications in shipbuilding, cryogenics, and offshore structures, providing strong, tough welds that maintain a bright, white color after welding.
Key Characteristics:
Composition: Aluminum alloy with ~5% Magnesium (Mg), plus Manganese (Mn) and Chromium (Cr) for added strength.
Strength: Offers high "as-welded" strength, often higher than other fillers like 5356 for certain base metals.
Toughness: Provides excellent fracture and impact toughness.
Corrosion Resistance: Excellent resistance to corrosion, particularly seawater, making it great for marine use.
Appearance: Produces welds that are white and can be easily color-matched.
Weldability: Less prone to cracking and offers good weldability.
Common Applications:
Shipbuilding and marine components.
Offshore drilling rigs and platforms.
Cryogenic storage tanks and vessels.
Railroad cars and vehicles.
Chemical pressure vessels.
Base Metals Welded:
5083, 5086, 5456, 5052, 5652.
Welding Processes:
MIG (Gas Metal Arc Welding) and TIG (Gas Tungsten Arc Welding).
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