coated copper steel ground wire 1,copper layer average thickness than 0.25mm; 2 ... welding powder, grounding electrode, GEM and so on. coated copper steel ground wire1, copper layer average thickness (conventional) ≥ 0.25mm; 2 ... ≥ 600N/mm 2 3, flatness error ≤ 1mm 4, copper layer plasticity: grounding rods bent 30 º, the angle with ... 1519JB-BA 1851853.5019JB-BA 2402404.0019 coated copper steel ground wire