The Hyundai SM-70 is a premium copper-coated solid welding wire designed for Gas Metal Arc Welding (GMAW) applications. With a 0.8mm diameter and a 5kg , 15 kg spool, this wire is perfect for welding mild steel and high-tensile steel (490 MPa) across multiple positions. It provides low spatter, smooth arc stability, and high efficiency, making it an ideal choice for automotive manufacturing, light structural fabrication, and precision welding.
Key Features
✔ 0.8mm diameter for precise, high-quality welding
✔ Copper-coated solid wire for enhanced electrical conductivity
✔ Stable arc with minimal spatter, ensuring smooth and clean welds
✔ High efficiency with excellent bead appearance
✔ Ideal for thin materials and light-gauge steel applications
✔ Compatible with 100% CO₂ or Ar + CO₂ gas mixtures
✔ 5kg, 15kg spool, suitable for workshop and industrial use
Specifications
| Specification |
Details |
| Brand |
Hyundai Welding |
| Model |
SM-70 |
| Diameter |
0.8mm |
| Weight |
5kg ,15kg |
| Material |
Copper-coated solid wire |
| Shielding Gas |
100% CO₂ or Ar + 15-25% CO₂ |
| Applications |
Automotive, light structural fabrication, precision welding |
| Yield Strength |
460 MPa |
| Tensile Strength |
555 MPa |
| Elongation |
29.3% |
| Impact Value (@ -29°C) |
85 J |
Recommended Welding Parameters
| Wire Diameter |
Current (A) |
Voltage (V) |
Shielding Gas |
| 0.8mm |
50-170 A |
16-22 V |
100% CO₂ or Ar + CO₂ |
📌 Tip: For best results, maintain a shielding gas flow rate of ~25 liters per minute and adjust the contact tip to work distance based on the welding current.
Why Choose Hyundai SM-70 (0.8mm)?
✅ Precision Welding Performance – Designed for light-gauge materials and thin steel sheets
✅ Smooth, Low-Spatter Arc – Ensures clean and efficient welds
✅ Trusted by Professionals – Used in automotive and light fabrication industries
✅ Reliable Hyundai Welding Technology – High-efficiency, durable, and consistent
