Description
Aluminium MIG Wire ER4047 – 7KG
The Aluminium MIG Wire ER4047 – 7KG spool is a specialised aluminium welding wire designed for gas metal arc welding (GMAW) of aluminium alloys. Featuring a high silicon content, ER4047 wire provides excellent fluidity and reduced shrinkage during welding, producing smooth weld beads with minimal cracking. Commonly used in automotive repair, aluminium fabrication, marine equipment manufacturing, and industrial maintenance across South Africa, this wire is particularly effective for welding aluminium castings and joining aluminium alloys requiring reliable weld integrity.
Technical Specifications:
- Wire Type: ER4047 aluminium silicon alloy MIG welding wire.
- Material Compatibility: Suitable for welding aluminium alloys and aluminium castings.
- Packaging Size: 7KG spool suitable for workshop and production welding operations.
- Silicon Content: High silicon formulation improves weld fluidity and reduces cracking.
- Arc Characteristics: Stable arc producing smooth and consistent weld beads.
- Spatter Levels: Low spatter generation improving weld cleanliness.
- Weld Appearance: Produces smooth weld deposits with excellent finish quality.
- Shielding Gas Compatibility: Suitable for use with 100% Argon shielding gas.
- Wire Feed Performance: Designed for smooth feeding in aluminium-compatible MIG welding systems.
- Wire Diameters: Common sizes typically include 0.8mm, 1.0mm, and 1.2mm depending on application.
Compliance & Standards:
- AWS Classification: AWS A5.10 ER4047 aluminium MIG welding wire.
- Crack Resistance: High silicon content reduces shrinkage and weld cracking.
- Industrial Welding Applications: Suitable for aluminium fabrication, casting repair, and structural welding.
- Reliable Weld Quality: Produces strong weld deposits with excellent metallurgical stability.
Ideal Application: Recommended for welding aluminium castings, automotive components, marine equipment, aluminium frames, and general aluminium fabrication requiring smooth weld finish and reduced cracking.





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