Equivalent to: GB/T 10858 SAI4043     AWS A5.10 ER4043     BS EN ISO 18273 SAI4043

Characteristics and Applications
This aluminum-silicon alloy welding wire is suitable for welding heat-treated base metals. It features high resistance to hot cracking and can be applied to the welding of cast and forged aluminum materials. The product offers excellent welding process performance, with attractive weld formation, stable electric arc and minimal spatter.It is ideal for welding aluminum alloy components in industries such as shipbuilding, chemical engineering and railway locomotive manufacturing.
Precautions
1.Adopt open-arc automatic welding, TIG welding or high-power plasma welding. Use 100% argon (Ar) as the shielding gas.
2.Ensure a well-shielded welding site with wind protection measures to prevent the dissipation of shielding gas, which may induce welding defects.
3.Thoroughly remove oil stains, oxide films and other contaminants from the welding area prior to welding.

Typical Chemical Composition of Welding Wire (wt%):