ER70S-3 is a mild steel copper coated welding wire suitable for CO2 gas protective welding
Description：ER70S-3 is a mild steel copper coated welding wire suitable for CO2 gas protective welding, with stable feasibility, good welding seams, less spatter and excellent welding process properties.
Application：Used to weld high tensile steel at 490N/mm2 grade, high speed thin plate, usually used for steel 35,45.
Conform with：
GB/T: ER50-3 BS: A15 CWB: ER49S-3
| chemical composition of welding wire(%) | C | Mn | Si | P | S | Cr | Ni | Cu |
| 0.06~0.15 | 0.90~1.40 | 0.45~0.75 | ≤0.025 | ≤0.035 | - | - | ≤0.50 | |
| Mechanical Properties or Deposited Metal | Yield strengthσ0.2(Mpa) | Tensile strengthσb(Mpa) | Elongationδ5(%) | AKV impact(J) | ||||
| ≥420 | ≥500 | ≥22 | ≥27(-18) | |||||
| Wire Size(mm) | φ0.8 | φ1.0 | φ1.2 | φ1.6 | Welding position | |
Since the establishment of the factory, we have continuously pursued better product quality and service, and have been recognized and praised by companies such as HYUNDAI, GOLD, BESTWEL, WELDFAST ITCE, SINO-AMERICA, etc. Hope you can become our next loyal partner.
We have ten rough drawing equipment at a speed of 18 meters per second, 26 fine drawing equipment at a speed of 14-16 meters per second, 56 chemical equipment at 8 meters per second, 33 rowing equipment, three packaging machines, and sewage treatment one place. And we use efficient management systems for production.
