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ALFA ER4043 Aluminium TIG Welding Filler Rod

ALFA MAKE ER4043 Aluminium TIG Welding Filler Rod

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Brand: ALFA

Type: Tig Welding Wire

Availability: 1000 In Stock

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ALFA MAKE ER4043 Aluminium TIG Welding Filler Rod

ALFA MAKE 4043 / ER4043 is a premium-quality aluminium filler rod containing approximately 5% Silicon. Its lower weld deposit strength and excellent crack resistance make it suitable for Gas Welding and Gas Tungsten Arc Welding (GTAW/TIG) of aluminium cast alloys.

It is suitable for welding mainly 4XXX and 6XXX series cast aluminium alloys and selected 1XXX, 5XXX and 6XXX series wrought aluminium alloys, except applications where an accurate colour match is required after anodizing.

Key Features

ALFA 4043 / ER4043
Premium-quality aluminium alloy filler rod
Approximately 5% Silicon alloy
Excellent crack resistance
Suitable for Gas Welding
Suitable for GTAW / TIG welding
Lower weld deposit strength
Suitable for cast aluminium alloys
Suitable for selected wrought aluminium alloys
AC-HF welding recommended
Welding-grade Argon shielding gas

Product Specifications

Specification	Details
Brand	ALFA MAKE
Product Name	ALFA 4043
Identification	ALFA 4043 / ER4043
Product Type	Aluminium TIG Welding Filler Rod
Classification	AWS/SFA 5.10: ER4043
IS Classification	IS: 5897: SNG 21
Alloy Type	Aluminium-Silicon Alloy
Silicon (Si)	4.5–6.0%
Aluminium (Al)	Balance
Iron (Fe)	0.80% Max
Copper (Cu)	0.10% Max
Manganese (Mn)	0.50% Max
Magnesium (Mg)	0.05% Max
Zinc (Zn)	0.10% Max
Titanium (Ti)	0.20% Max
Welding Process	Gas Welding / GTAW / TIG
Current Condition	AC (+)
Recommended Electrode	Zirconiated Tungsten
Shielding Gas	Welding Grade Argon
Standard Length	1000 mm
Available Sizes	1.6 mm, 2.0 mm, 2.40 mm, 2.50 mm, 3.15 mm, 3.20 mm, 4.0 mm
Packing per Packet	2 kg
Packing per Box	8 kg (2 × 4)

Chemical Composition

Element	Range
Silicon (Si)	4.5–6.0%
Iron (Fe)	0.80% Max
Copper (Cu)	0.10% Max
Manganese (Mn)	0.50% Max
Magnesium (Mg)	0.05% Max
Zinc (Zn)	0.10% Max
Titanium (Ti)	0.20% Max
Aluminium (Al)	Balance

Typical Applications

ALFA MAKE 4043 is suitable for:

Gas welding of aluminium alloys
GTAW / TIG welding of aluminium alloys
Cast 4XX series aluminium alloys
Cast 6XX series aluminium alloys
Selected wrought 1XXX series aluminium alloys
Selected wrought 5XXX series aluminium alloys
Selected wrought 6XXX series aluminium alloys

It is not recommended where an accurate colour match is required after anodizing.

TIG Welding Procedure

For TIG welding, the supplied datasheet recommends thoroughly cleaning the joint area. For butt welding of thick plates, a 65°–75° included-angle bevel is specified. A zirconiated tungsten electrode with a tapered blunt point, AC-HF, and welding-grade Argon are recommended. High sections should be preheated before welding.