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S307612-028 - Hobart Quantum Arc 6 ER70S-6 .045 MIG Wire - 60lb Spool

Packaging: 60lb spool
$9.10/lb $341.40/60lb spool only $5.69/lbSave 37%

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OVERVIEW

Maximize Fabrication Efficiency with Hobart Quantum Arc 6

For professional welders and fabrication shops looking to streamline their operations, the Hobart Quantum Arc 6 .045 MIG Wire offers the perfect balance of performance and productivity. This ER70S-6 solid wire is a workhorse in the industry, trusted for its ability to lay down sound, strong welds on a variety of mild steel applications. Whether you are welding automotive frames, heavy farm implements, or pressure vessels, the Quantum Arc 6 provides the reliability you need to get the job done right the first time.

One of the standout features of this product is its superior feedability. Hobart has engineered the Quantum Arc 6 to feed smoothly through the liner and contact tip, virtually eliminating wire shaving and bird-nesting issues that can halt production. This makes it an excellent candidate for robotic welding applications and semi-automatic welding where high wire feed speeds are required. The consistent diameter and cast ensure that the wire targets the joint accurately every time, which is essential for precision manufacturing.

The 60-pound fiber spool is a game-changer for busy shops. By providing nearly double the wire of a standard 33lb spool, it allows welders to keep their hoods down longer, reducing the downtime associated with swapping out empty spools. This efficiency translates directly to cost savings and higher throughput. Additionally, the wire's formulation handles contaminants well, meaning you can weld over light rust and mill scale without sacrificing bead appearance or weld integrity. The resulting weld deposit wets out smoothly at the toes, reducing the risk of cold lap and stress concentrations.

Versatile Application Range

From general fabrication to railcar construction, the Quantum Arc 6 adapts to your needs. It performs reliably in short-circuit transfer for thinner gauges and spray transfer for heavy plate, giving you the flexibility to tackle diverse projects with a single wire. Pair it with your preferred shielding gas to achieve the penetration profile and bead aesthetic your project demands.

Additional Information
Brand:Hobart
Diameter:0.045"
AWS Spec:ER70S-6
Grade:S6 Copper Coated
Packaging:60 lb Spool
Weld Process:MIG (GMAW)
Polarity:DC, DCEP
Material Composition:Mild Steel
Wire Diameter:0.045"
Wire Type:Solid
Shielding Gas Requirement:100% CO2, 75% Argon / 25% CO2
Spool Size:60 lb
AWS Classification:ER70S-6
Applications:Automotive, General Fabrication, Robotic Welding
Packaging Type:Fiber Spool
Wire Finish:Copper-Coated
Welding Position:All Position
Tensile Strength:70,000 psi (min)
Packaging Description:60lb spool

INCLUDED

  • 1 x 60 lb Fiber Spool of Hobart Quantum Arc 6 .045" MIG Wire

APPLICATIONS

  • Automotive frames and chassis structures
  • Heavy farm implements and agricultural machinery
  • Construction equipment and earthmovers
  • Pressure vessels and storage tanks
  • General structural steel fabrication
  • Railcar manufacturing and repair
  • Robotic and automated welding cells
  • High-speed sheet metal fabrication
  • Pipe welding (non-critical)

FAQ

It is classified as ER70S-6, which indicates a mild steel solid wire with high deoxidizers (manganese and silicon) and a minimum tensile strength of 70,000 psi.

This wire can be used with 100% CO2 for deeper penetration and lower cost, or a blend of 75% Argon / 25% CO2 for a smoother arc, less spatter, and better bead appearance.

Yes, the ER70S-6 classification means it contains higher levels of deoxidizers that allow it to handle light to moderate rust, mill scale, and oil on the base metal better than ER70S-3 wires.

This specific product comes on a 60 lb (approx. 27.2 kg) fiber spool, which is larger than standard 33 lb or 44 lb spools.

Yes, Hobart Quantum Arc 6 is known for its excellent feedability and consistent arc characteristics, making it highly suitable for robotic and automatic welding applications.

This wire has a diameter of 0.045 inches (1.2 mm), which is a common size for welding medium to heavy plate thicknesses.

Yes, it is a copper-coated wire. The coating improves electrical contact, reduces tip wear, and helps prevent the wire from rusting during storage.

This solid MIG wire requires Direct Current Electrode Positive (DCEP), also known as Reverse Polarity.

CATALOGUE & SPEC SHEETS

Spec Sheet
Safety Data Sheet