ER70S-2 TIG Welding Rod for Precision Carbon Steel Welding 

Smooth arc control and clean weld appearance for detailed TIG applications

The ER70S-2 TIG welding rod from PGN Bearings is designed for welders who require precise arc control, clean weld deposits, and dependable performance when working with carbon steel and low-alloy materials.

Its triple-deoxidized chemistry helps reduce contamination during welding while promoting smoother weld puddle control and improved deposit quality. The smaller rod profile supports detailed fabrication work, better heat management, and cleaner weld appearance across a wide range of TIG welding applications.

ER70S-2 is widely used in industrial maintenance, structural fabrication, automotive repair, pipe welding, and precision metalworking projects where weld quality is critical.

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The PGN Bearings ER70S-2 TIG welding rod delivers smooth arc stability, reduced porosity, and precise weld puddle control for carbon steel fabrication, pipe welding, industrial maintenance, and repair applications.

Common welding applications

ER70S-2 is frequently selected for projects requiring strong weld integrity and clean finishing results.

Typical applications include:

• Pipe welding
• Structural fabrication
• Industrial maintenance
• Automotive repair
• Agricultural equipment work
• Carbon steel assemblies
• Sheet metal fabrication
• Precision welding projects

Its versatility makes it one of the most trusted TIG filler metals for carbon steel applications.

Advantages of ER70S-2 filler metal

Triple-deoxidized composition

Titanium, aluminum, and zirconium help improve weld cleanliness and reduce contamination.

Excellent arc stability

The rod supports smooth puddle control and consistent weld behavior during precision welding operations.

Reduced weld porosity

Its chemistry helps produce cleaner deposits with fewer welding defects.

Strong performance on imperfect surfaces

ER70S-2 performs well on materials with light rust, mill scale, or minor surface contamination.

Why professionals choose ER70S-2

This filler rod is commonly selected for:

• Cleaner weld appearance
• Better puddle control
• Reduced rework
• Consistent deposition quality
• Strong mechanical properties
• Versatile carbon steel welding

Its balanced chemistry makes it a preferred option for professional TIG welding applications.

Usage recommendations

For best welding results:

• Use proper argon shielding gas
• Clean base materials whenever possible
• Prevent filler contamination
• Store rods in dry conditions
• Match amperage settings to the application

FAQ

Is ER70S-2 designed for TIG welding?

Yes. It is specifically formulated for GTAW (TIG) welding processes.

Can ER70S-2 weld carbon steel?

Yes. It is widely used for carbon steel and low-alloy steel welding.

Why is ER70S-2 called triple deoxidized?

Because it contains titanium, aluminum, and zirconium to improve weld quality.

Does ER70S-2 help reduce weld defects?

Yes. Its chemistry helps minimize porosity and improve weld consistency.

Is it commonly used for pipe welding?

Absolutely. ER70S-2 is frequently used in pipe welding and root pass applications.