Copper-plated welding rod intended for argon-arc welding of products from structural unalloyed and low-alloyed steels with a yield strength of up to 460 MPa. Compared to OK Tigrod 12.60, this rod is more alloyed with Mn and Si, which gives the weld metal a higher strength, and also reduces the tendency to form pores when welding on dirty edges. In addition, the increased silicon content makes the molten metal of the bath more fluid, due to which the surface of the deposited bead is formed smoother with a smooth transition from the base metal to the seam