TIG filler rod

4043 aluminium TIG filler rod

A silicon-alloyed aluminium rod for compatible wrought and cast aluminium joints.

Classification
Manufacturer example: AWS A5.10 R4043; EN ISO 18273: S Al 4043
Processes
TIG (GTAW)
Materials
Compatible AlMgSi aluminium alloys · Compatible AlSi alloys

How to choose it

Identify the base alloy and desired finish first. The cited ESAB product covers AlSi alloys with up to 7% silicon.

Limits and product details

ESAB does not recommend this product for anodizing. Check the alloy pairing; a silicon filler is not suitable for every aluminium repair.

Additional details

Form
Bare aluminium TIG rod
Alloy family
Aluminium-silicon (AlSi5)
Shielding
Argon or a qualified argon/helium blend (I1 / I3)
Example source
ESAB OK Tigrod 4043

References

Information checked 2026-10-14.

Open the publisher’s page. If a new tab fails, use “Open directly” or copy the address into your browser.