ER4043| AlSi5

ER4043 (Al-Si5) is one of the oldest and most widely used welding and brazing alloys. SIWEITE ER4043 can be classified as a general purpose type filler alloy.

WIRE COMPOSITION (%)

	Al	Si	Fe	Cu	Mn	Mg	Zn	Be	Ti
ER4043–	Bal.	4.50-6.0	0.80	0.30	0.05	0.05	0.10	0.0003	0.20
Typical	Bal.	5.0	0.15	0.03	0.001	0.02	0.001	0.0000	0.01

 

Mechanical properties

Alloy	Y.S (MPa)	T.S (MPa)	El. (%)	T.S (MPa)	Anodizing color
ER4043	124-224	275-330	12-16	579-582	Gray

 

 

Key Features:   

• Metal spraying; Lower melting point and good fluidity.
• More specifically the 6XXX series alloys.
• Designed for welding heat-treatable base alloys.
• Suitable for sustained elevated temperature service.
• Low sensitivity to weld cracking with the 6XXX series base alloys.

 

Application:

• For welding 6XXX alloys, and most casting alloys
• Automotive components
• Bicycle framesand Recreation

 

Shielding Gas:

• 100% Argon;
• Argon/Helium mixture

 

Conformance:

• ISO 10858-2015; AWS A5.10

 

Diameters/Packing

Type	Diameters (mm)	Package	Weight (kg)
MIG Wire	0.9   1.0   1.2   1.6	D300mm spool	7
		D270mm spool	6
	0.9   1.0   1.2	D200mm spool	2
		D100mm spool	0.5
TIG rod	1.6   2.0   2.4   3.0 3.2   4.0   5.0   6.0	1000mm length Carton or plastic tube	5kg – 10kg  –  20kg