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E70S260 - Harris ER70S-2 Mild Steel TIG Rod 3.2mm (1/8") - 10lb Tube

Packaging: 10lb tube
$14.83/lb $91.40/10lb tube only $9.14/lbSave 38%

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OVERVIEW

Reliable TIG Rods for Tough Jobs

When you are under the hood and the fit-up isn't perfect, or the steel isn't as clean as you'd like, you need a filler metal that forgives. The Harris ER70S-2 Mild Steel TIG Rod (3.2mm / 1/8") is built exactly for those real-world scenarios. Known among professional welders as the "go-to" rod for pipe root passes and general fabrication, the ER70S-2 formula includes extra deoxidizers that help pull impurities out of your puddle. This means you get fewer pinholes, less porosity, and a smoother bead, even if you are welding over a bit of rust or mill scale.

This 10lb tube of 1/8" rods provides a substantial supply for larger projects or busy shops. The 3.2mm diameter is perfect for filling gaps in thicker plate or laying down significant metal in multi-pass welds. Welders appreciate the way Harris rods feed; they are stiff enough to manipulate easily without being brittle, and the copper coating ensures they slide through your gloved fingers smoothly while making excellent electrical contact. Whether you are welding on an automotive chassis, repairing farm equipment, or laying a critical root bead on a pressure pipe, this rod gives you the control you need to produce a stack of dimes that looks as good as it holds.

Choosing Harris means choosing consistency. You don't have to worry about inconsistent chemistry from batch to batch. These rods flow wet and fast, allowing you to travel at a comfortable speed while ensuring good fusion at the toes of the weld. The resulting slag islands are small and easily brushed away, leaving a clean, shiny weld that is ready for inspection or painting. Stop fighting your puddle and start welding with confidence using the industry-proven performance of Harris ER70S-2.

Why Welders Choose Harris ER70S-2:

  • Forgiving Puddle: Handles dirty steel better than standard ER70S-6.
  • X-Ray Quality: Trusted for critical welds that need to pass inspection.
  • Smooth Feeding: Consistent diameter and finish for frustration-free welding.
Additional Information
Brand:Harris
AWS Spec:ER70S-2
Diameter:3.2mm (1/8")
Packaging:10 lb Tube
Weld Process:TIG (GTAW)
Grade:S2
Material Composition:Mild Steel (Triple Deoxidized)
Rod Type:TIG Cut Length
Shielding Gas Requirement:100% Argon
Polarity:DCEN
Wire Finish:Copper-coated
Packaging Description:10lb tube

INCLUDED

  • 10 lb Tube of 3.2mm (1/8") Harris ER70S-2 Mild Steel TIG Rods

APPLICATIONS

  • Pipe Welding (Root Pass)
  • Pressure Vessels and Boilers
  • Structural Steel Fabrication
  • Automotive Repair and Modification
  • Maintenance and Repair Operations (MRO)
  • Farm and Heavy Equipment Repair

FAQ

ER70S-2 contains Zirconium, Titanium, and Aluminum as triple deoxidizers, making it superior for welding on dirty, rusty, or mill-scaled steel. ER70S-6 has higher Silicon and Manganese levels which provide better wetting and fluidity on clean steel but less porosity resistance on dirty base metals.

For TIG (GTAW) welding with ER70S-2, you should use 100% Argon gas. This provides the necessary shielding to protect the molten weld pool from atmospheric contamination.

Yes, ER70S-2 is the industry standard for pipe welding, particularly for the root pass (the first pass), because of its ability to produce defect-free, X-ray quality welds even when fit-up or cleaning isn't perfect.

The 3.2mm diameter is approximately equivalent to 1/8 inch. This size is commonly used for welding thicker materials or for filling joints that require more metal deposition.

No, ER70S-2 is a mild steel filler metal. Using it on stainless steel would contaminate the weld and lead to corrosion issues. You should use a stainless steel rod (like ER308L or ER316L) for stainless applications.

These Harris ER70S-2 rods come in a 10lb tube. The tube protects the rods from moisture, dust, and bending, ensuring they stay in good condition until you are ready to use them.

Yes, these rods typically feature a thin copper coating. This coating helps prevent the steel rod from rusting during storage and improves electrical conductivity during the welding process.

CATALOGUE & SPEC SHEETS

Spec Sheet