Features and Applications:
• Aluminil Si 12 is our special coated electrode developed for welding all types of aluminium castings and
applications where good colour matching with base materials is important. Typical applications include repair
welding, surfacing and construction welding: window frames, aluminium tubes, furniture, aluminium castings,
engine blocks, automotive parts. The electrode has a pure white coating specifically designed to reduce moisture
pick-up. For thicker plate materials (≥15 mm.) it is recommended to preheat at 150°C to 250°C before welding.
• General fabrication & construction, Repair & Maintenance
Standards:
AWS A5.3: E 4047
EN ISO 18273: E Al 4047 (AlSi12)
DIN 1732: EL-Al Si 12
Mechanical Properties:
Tensile Strength MPa 180
Elongation % 5
Hardness HB 50
Chemical Composition:
Si =12.0 Mn =0.10 Cu =0.05 Al =Bal
Current Type:
DC+
Arc Voltage:
65V
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