HYW ER70S-6 MIG/MAG Welding Wire — 550 lb Bulk Drum is a premium copper-coated solid carbon-steel wire supplied in a 550 lb bulk drum for continuous, high-volume feeding. Ideal for automated, robotic, and hard-automation cells, the drum minimizes downtime from spool changes, while its high manganese and silicon content delivers X-ray quality, porosity-free welds with a smooth, stable arc and low spatter.
Key Features
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› High manganese & silicon deoxidizers for X-ray quality, porosity-free welds
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› Welds cleanly over light rust and mill scale
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› Smooth, stable arc with low spatter and minimal slag
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› Copper-coated for steady wire feeding and reliable electrical contact
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› 70,000 psi tensile class — versatile general-purpose mild-steel wire
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› 550 lb bulk drum for continuous, automated high-volume welding
Ideal Applications
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› General fabrication and structural steel
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› Robotic and automated production welding
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› Heavy equipment, trailers, and farm machinery
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› High-throughput manufacturing and OEM lines
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› Single- and multi-pass welding on carbon and low-alloy steels
Technical Specifications
| AWS Classification |
AWS A5.18 / A5.18M ER70S-6 |
| Tensile Strength |
70,000 psi (480 MPa) minimum |
| Wire Type |
Solid, copper-coated carbon (mild) steel |
| Process |
MIG / MAG (GMAW) |
| Polarity |
DC+ (DCEP / reverse polarity) |
| Shielding Gas |
100% CO₂ or 75–80% Ar / 20–25% CO₂ |
| Packaging |
550 lb bulk drum |
Available Sizes & Recommended Amperage
| Diameter |
Recommended Amperage |
| .035" (0.9 mm) |
50 – 180 A |
| .045" (1.2 mm) |
75 – 350 A |
Recommended amperage ranges are general guidelines; optimal settings vary with base-metal thickness, joint design, shielding gas, and welding position. Store wire in a dry location to prevent oxidation and ensure smooth feeding.
