
Upgrade your welding projects with the Bonarc ER70S-6 .030" Solid MIG Wire, a favorite among professional welders for its reliability and ease of use. This 20kg spool is perfect for fabrication shops and serious hobbyists who want to spend more time welding and less time swapping out smaller spools. The "S-6" classification means this wire is loaded with deoxidizers, which acts like a cleaning agent for your weld puddle. If you are welding on steel that isn't perfectly prepped—perhaps it has a bit of rust or mill scale—this wire helps float those impurities to the surface, leaving you with a solid, porosity-free weld.
Welders love the Bonarc brand for its consistency. The wire is precision wound, meaning it is layered perfectly on the spool. This eliminates the frustration of wire tangles and "bird-nesting" at the drive rolls, ensuring a steady, uninterrupted feed that lets you focus on your travel speed and gun angle. The .030-inch diameter is incredibly versatile; it is small enough to handle thin sheet metal on auto body repairs without blowing through, yet substantial enough to handle multi-pass structural welds on thicker frames and brackets.
Spatter control is another major benefit of this product. Nobody likes spending hours grinding off BBs after laying a bead. The Bonarc 70S-6 formulation is designed to minimize spatter, especially when used with a 75/25 Argon/CO2 gas mix. The result is a clean, professional-looking finish that requires minimal post-weld cleanup. Compatible with any standard MIG welder capable of holding a larger spool, this wire offers excellent arc stability and wetting, making it easier to achieve that "stack of dimes" look. Whether you are repairing farm equipment, building a custom trailer, or working on general fabrication, this wire delivers the performance you need.
| Additional Information |
|---|
| Aws Spec:ER70S-6 |
| Brand:Bonarc |
| Diameter:0.030" |
| Grade:S6 Copper Coated |
| Packaging:20 kg Spool |
| Packaging Description:20kg-spool |
| Polarity:DC |
| Weld Process:MIG (GMAW) |
| AWS Classification:ER70S-6 |
| Wire Diameter:0.030" |
| Spool Weight:20kg (44lb) |
| Shielding Gas Requirement:100% CO2, 75% Argon / 25% CO2 |
| Wire Type:Solid |
| Material Composition:Mild Steel |
| Current Type:DCEP (Direct Current Electrode Positive) |