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ER4043 Tig Rod

Class: ER4043 Tig rod
AWS: A5.10
Conforms to Certification: AWS A5.10             ASME SFA A5.10
Weld Process: Tig (GTAW).

Er4043 Tig rod

ER4043 Tig rod

AWS Chemical Composition Requirements
Si = 4.5 – 6.0; Mg = 0.05 max; Fe = 0.80 max; Zn = 0.10 max; Cu = 0.30 max; Ti = 0.20 max; Mn = 0.05 max; Al = Remainder
Be = 0.0003 max; Other = 0.05 each – 0.15 total

Available Sizes
1/16 x 36
3/32 x 36
1/8 x 36
5/32 x 36

Application of Er4043 Tig rod
ER4043 aluminum filler materials are silicon-aluminum types for welding of 6052 and 6063 types; in some cases, other aluminums are also welded with this type. Brazing of 1100 and 3003 can be accomplished with free flowing 4043 composition.

Welding Filler Wire
The proper choice of aluminum filler metal mainly depends on the base metal properties to be achieved and welding technique. Post weld cracking, corrosion resistance and behavior under elevated temperature also need to be taken into consideration. Cracking usually can be minimized by choosing a filler metal alloy of higher alloy content then the base metal.

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