Conform to GB/T 10858 SAl 4043

Equivalent to AWS A5.10 ER4043

 

ER4043

 

Instruction

The ER4043 is an aluminum-silicon alloy welding wire with a silicon content of 5%. It has excellent welding process performance, beautiful weld formation, stable arc and small spatter

Application

Used for welding-related aluminum alloys such as ships, locomotives, chemicals, food, sports equipment, molds, furniture, containers, containers, automotive industry and structural components, such as 6xxx series aluminum alloys.

 

Deposited metal composition (%)

	Si	Fe	Cu	Mn	Mg	Zn	Ti	Al
Standrad	4.5-6.0	≤0.80	≤0.30	≤0.05	≤0.05	≤0.10	≤0.20	The rest
e.g.	5.2	0.15	0.009	0.008	0.005	0.004	0.070	The rest

Physical properties

Melting ℃	Density g/cm3
573-625	2.67

Mechanical properties of deposited metal

Item	Tensile Strength (Rm) MPa	Yield strength (ReL) Mpa	Elongation  (A)%
Typical value	150	110	14

Reference current (MIG+99.99%Ar DC-) (TIG DC+)

Dia.(mm)	Mig Φ1.2	Mig Φ1.6	Mig Φ2.0	Tig Φ1.6-2.5	Tig Φ2.5-4.0	Tig Φ4.0-5.0
Currcnt (A)	180-300	200-400	240-450	150-250	200-320	220-400

 

 

Notes:

1. Before welding, the oxide film and oil stains on the welding edge of the workpiece and the surface of the welding wire should be strictly removed.
2. The backing plate can be used to hold the molten metal during welding to ensure the formation of the weld.