Classification:

GB/T 3190—1996 GB/T 10858—1989 

AWS A 5。10

Chemical composition:

Si  4.7-5.3

Fe  0.30

Cu 0.05

Mn  0.04

Mg  0.04

Cr  0.05

zn  0.05

Be  0.0002

Ti  0.005

Al  remainder

Anodizing：Gray

NOTE: SINGLE VALUES ARE MAXIMUM UNLESS OTHERWISE NOTED.

Alloy shows:ER4043:A silicon alloyed aluminum welding wire the welding of heat-treatable base alloys and more specifically, the 6xxx series alloys. It can also be used for joining wrought to cast materials and is less sensitive to weld cracking. Silicon in the wire increases Puddle fluidity, resulting in excellent operator appeal.

Application: Ship, locomotive, chemicals, food, sports apparatus, power, etc.