Harris Products Group, 04043F5, Aluminum Welding Alloy, 4043, for 6XXX Series, Low Crack Sensitivity, All-Position

Harris® 4043 Aluminum Silicon alloy is very commonly used to weld on 6XXX base materials and other heat treatable alloys. Harris® 4043 is a soft alloy, with good crack resistance and high penetration compared to other filler metals. It can be used for certain brazing applications and to weld on high silicon casts like A356. Welding of 5XXX base materials with 4043 and other 4XXX filler metals should be avoided.

Features

• Often used for repair welding aluminum/silicon cast alloys such as grades 353/A356
• Designed for welding heat treatable base alloys, specifically 6XXX series alloys
• Common choice for welding 6061
• Gray color (post anodized)
• Low sensitivity to weld cracking with the 6XXX series base alloys
• Lower melting point and more fluidity than the 5XXX series alloys
• All-position welding

• Weight: 1.19 lbs
• Material: Aluminum Silicon alloy
• Silicon Content: 4.5-6.0%
• Titanium Content: 0.20% max.
• Magnesium Content: 0.05% max.
• Copper Content: 0.30% max.
• Manganese Content: 0.05% max.
• Beryllium Content: 0.0003% max.
• Zinc Content: 0.10% max.
• Iron Content: 0.80% max.
• Others Content: 0.15% max. total
• Solidus Temperature: 1065 F (574 C)
• Liquidus Temperature: 1170 F (632 C)
• Density: 0.097 lbs/cu in
• Post Anodize Color: Gray
• As Welded Tensile Strength: 27,000 psi
• As Welded Yield Strength: 18,000 psi
• Specification Compliance: ANSI/AWS A5.10 Class R/ER 4043, ASME SFA 5.10, AMS 4190
• Recommended Welding Process: GMAW (MIG), DC Reverse Polarity
• Welding Transfer Mode: Electrode Positive Spray transfer

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