TIG filler rod

ER70S-2 steel TIG filler rod

Hand-fed steel filler for TIG sheet-metal work, tubing and suitable repair joints.

Classification
AWS A5.18: ER70S-2
Processes
TIG (GTAW)
Materials
Mild steel · Compatible low-alloy steel

How to choose it

Match the rod diameter and filler grade to the base metal and procedure. This filler includes aluminium, titanium and zirconium deoxidizers.

Limits and product details

Do not treat it as a matching filler for every high-strength or heat-resistant steel. Joint cleanliness and controlled shielding remain necessary.

Additional details

Form
Bare cut-length TIG rod
Typical uses
Small tubing, sheet metal and root-pass work
Shielding context
Argon is a common TIG shielding gas; the qualified procedure determines the choice
Example source
Lincoln Electric ER70S-2

References

Information checked 2026-10-14.

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