1)AWS E7018, AWS E7015, J507 2) Low hydrogen welding electrode 3) GL welding rod, welding rods 4) Manufacturer, plant Welding Electrode AWS E7015 :Description: a kind of carbon ... MpaElongationImpact value(J)Guaranteed≥490≥410≥22≥27Tested5604503068-128 GL Low hydrogen Welding electrode E7015(J507)