Introduction
Clean, strong, and precise welds start with the right filler rod. PGN’s ER70S-2 TIG Welding Rods are engineered for welders who need reliability and consistency when working with mild steel and low-alloy steel.
Available in 1/16″ and 3/32″ diameters (36″ lengths, 6 lb packs), these rods are ideal for automotive, piping, fabrication, and maintenance work. They deliver smooth arcs, minimal spatter, and excellent bead appearance—helping welders produce professional results every time.
What is ER70S-2 and Why Use It?
ER70S-2 is a triple-deoxidized TIG welding rod that contains aluminum, titanium, and zirconium. These elements allow the filler to tolerate light rust, mill scale, or oil on the base metal while maintaining clean welds.
Compared with standard mild-steel rods, ER70S-2 offers:
- Smooth arc stability and predictable puddle control.
- High ductility and toughness for durable welds.
- Cleaner finishes that require less grinding.
- Compatibility with both AC and DC TIG welding setups.
Because of its reliability, this rod is widely used in manufacturing, maintenance, and precision fabrication.
Where to Use PGN ER70S-2 TIG Welding Rods
Automotive and Motorsports
Ideal for thin-gauge steel, roll cages, and exhaust systems. The rod produces neat, uniform welds that reduce finishing time.
Pipe Welding and Industrial Piping
Performs well on piping systems that require clean internal welds, even when surface contamination is present.
Sheet-Metal and Custom Fabrication
A great fit for HVAC, furniture, and light-gauge fabrication where precise control and appearance matter.
General Repairs and Maintenance
Reliable for workshop and field use, giving strong joints on mild-steel parts and components.
Usability: Built for Control and Precision
PGN designed the ER70S-2 rod to make TIG welding more efficient and predictable.
- Excellent feedability: rods strike and maintain an arc smoothly.
- Clean fusion: minimizes post-weld cleanup.
- Versatile diameter options: select the size that matches your material thickness.
- Stable performance: consistent results across different power sources and positions.
These advantages help welders achieve high-quality welds with less rework and downtime.
Risks of Welding with ER70S-2 Without Proper Technique
Like any filler rod, ER70S-2 performs best under correct parameters. Poor handling may cause:
- Porosity if base metal is not cleaned or if gas flow is unstable.
- Contamination from improper tungsten or shielding gas use.
- Cracking when the wrong rod diameter or current is applied.
To prevent these issues, always clean the joint area, maintain adequate argon coverage, and adjust amperage to match rod size and thickness.
Best Practices for Welding with ER70S-2
- Use pure argon shielding gas for best results.
- Maintain a short arc length for precise puddle control.
- Keep filler rod clean and dry to avoid contamination.
- Match rod diameter to base-metal thickness.
- Ensure a consistent travel speed to produce uniform beads.
Following these practices results in strong, smooth, and visually appealing welds.
Why Choose PGN’s ER70S-2 TIG Welding Rods
PGN’s ER70S-2 rods are manufactured to strict quality standards and designed for welders who need reliability without excess cost. They provide:
- Consistent chemistry for repeatable performance.
- Professional-grade finish with minimal spatter.
- Affordable pricing without compromising quality.
Whether you are a fabricator, mechanic, or maintenance technician, PGN’s ER70S-2 rods deliver results you can rely on.
Conclusion
The PGN ER70S-2 TIG Welding Rod offers the precision, strength, and cleanliness that mild-steel projects demand. It performs equally well in shop and field environments, producing high-quality welds with less cleanup and downtime.
Available in multiple diameters and pack sizes, this rod gives professionals and enthusiasts a dependable solution for everyday TIG welding.
🐧 Available at pgnbearings.com