Aluminium welding wire ER4043 (AlSi5)

Mark by AWS A5.10: ER4043

Mark by GOST7871-75:  СВАК5


Gas shield: Ar

Welding positions:  

Polarity: DC straight polarity

Produced diameters: 0,8mm 1.0mm 1,2mm

Packaging options: 0.5kg 2kg 7kg

Description and Features:

Aluminum welding wire ER4043 (AlSi5) is a material for welding aluminum structures in inert gas Ar. Chemical composition of it except for aluminum has a number of other elements and dopings to ensure impurities.

Chemical content of welding wire (%) Si Fe Cu Mn Zn Ti Al
4.5-5.5 ≤ 0.8
≤ 0.3
≤0.05 ≤ 0.1 ≤ 0.2 Rem
Mechanical properties of the weld metal Yield strenght σ0.2(Mpa) Tensile strength
Elongation δ5(%)
55 165 18


Aluminum wire AlSi5 has wide application for MIG welding of AlSi cast alloys of various types (АД31, АД33, АД35). Widespread usage of this mark of welding wire is founded in the food industry, shipbuilding, as well as industry related to the production of vehicles. It is used for construction of various capacitive reservoirs, tanks and others.


Presented on plastic spools D100 D200 D270. Layer winding. PE film + Silica gel + carton box


Fill in the correct

Fill in the correct

* - Required fields

Your request is sent successfully!

Subscribe to news

Fill in the correct

* - Required fields

You have successfully signed up for newsletter