Copper-Glide™ Standard-Arc® S-3 Welding Wire is a copper-coated mild steel solid filler metal designed to extract maximum weld quality and user appeal from ER70S-3. The welding wire contains manganese and silicon contents that assure maximum deoxidation, which results in more desirable flat bead profiles and low-spatter welds. It provides ideal arc starts, arc stability, and feedability for efficient welding processes.
Copper-Glide™ Standard-Arc® S-3 Copper-Coated Welding Wire
NS ARC is proud to deliver superior welding performance directly to you with our Copper-Glide™ Standard-Arc® S-3 welding wire, a copper-coated mild steel solid filler metal that unlocks the full potential of ER70S-3 wire. Engineered by our experts with meticulous attention to detail, this welding wire ensures maximum weld quality and user appeal for nearly any kind of application that requires our level of welding strength. The precise balance of manganese and silicon guarantees exceptional deoxidation, which results in the more desirable flat bead profiles and low-spatter welds.
We’ve manufactured our Copper-Glide™ Standard-Arc® S-3 welding wire to promote its outstanding characteristics, designing it to support your GMAW operations. Its cast range of 35” (.88m) to 55” (1.3m) and helix below 1” (25.4mm) enhance feedability and offer accurate wire positioning, ensuring smooth and consistent welds. This welding wire embodies reliability and excellence with its ideal arc starts, arc stability, and feedability, allowing for seamless and efficient welding processes. With moderate deoxidizers, this welding wire delivers smooth weld appearance and facilitates easy post-weld cleaning with minimal disruptions for a clean welding environment.
With NS ARC's high-quality Copper-Glide™ Standard-Arc® S-3 copper-coated welding wire, any welder will be able to unlock the potential of their next welding projects. With superior weld quality, great performance, and unmatched user appeal, our welding wire is the right choice for a wide range of applications, lending its welding strength to a variety of welding jobs. If you’d like to learn more, contact our team of experts today to discover more about our welding consumables that can help elevate your welding capabilities to new heights.




Applications for Copper-Glide™ Standard-Arc® S-3 Welding Wire
Copper-Glide™ Standard-Arc® S-3 welding wire is best suited for the following applications:
- Agricultural Equipment
- Automotive Manufacturing
- General Fabrication
- Heavy Equipment
- Pipe Welding
- Pressure Vessels
- Railcars
- Shipbuilding
- Structures
- Trailers

Other Industrial Applications for Copper-Glide™ Standard-Arc® S-3 Copper-Coated Welding Wire
Proudly produced in Stillwater, Oklahoma, an ISO 9001:2015 facility, our reliable Copper-Glide™ Standard-Arc® S-3 welding wire meets or exceeds industry specifications to deliver far beyond your expectations. It is the perfect choice for various applications, such as low carbon killed and semi-killed steel. Whether you’re utilizing robotic, mechanized, or semi-automatic welding methods, this copper-coated welding wire delivers exceptional results. It is well-suited for welding steel with mill scale, rust, or oil. From single-pass to multi-pass weldments for automotive, manufacturing, or construction industries, this welding wire excels in diverse applications that demand a minimum tensile strength of 70,000 psi.
Shielding Gas Blends for Copper-Glide™ Standard-Arc® S-3 Welding Wire
Optimal results can be acquired when using the following shielding gas blends with Copper-Glide™ Standard-Arc® S-3 copper-coated welding wire:
- 100% CO2
- 75-95% Argon/Balance CO2
- 95-98% Argon/Balance O2
- Flow rate of 35-50 CFH
Designed with an emphasis on versatility and adaptability, this welding wire allows for all-position welding when using the correct shielding gas blends, welding process, and welding parameters.
Copper-Coated Welding Wire Industry Standards
Copper-Glide™ Standard-Arc® S-3 meets or exceeds various industry standards such as:
- AWS A5.18: ER70S-3, AWS A5.18M: ER48S-3
- ASME SFA-5.18: ER70S-3
- CWB W48: B-G 49A 2 C1 S3
Copper-Coated Welding Wire Storage Instructions
Proper storage is crucial to maintaining the quality and performance of your welding wire. Make sure that you properly store the Copper-Glide™ Standard-Arc® S-3 in a dry, enclosed environment and ensure it remains in its original sealed package. By following these storage guidelines, you can preserve the integrity of your welding wire for future use.

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