Description
Blue Demon ER309L is like type 309, but with a carbon content below 0.03%. This extra - low carbon feature gives it excellent resistance to carbide precipitation and corrosion. It's a great choice for dissimilar joints that need heat treatment. It meets AWS A5.9 standards and uses DCEN welding current. The rod size is 0.035 and it has dimensions of 37 x 3 x 2 inches.
Using this Blue Demon ER309L TIG rod is easy. First, make sure your welding machine is set to DCEN welding current as recommended. When welding dissimilar joints that will undergo heat treatment, this rod will work great. Just hold it steadily and follow your normal welding process. Remember, because it has low carbon content, it's resistant to corrosion and carbide precipitation, which means a longer - lasting weld. For maintenance, keep the rod in a dry place to prevent rust. If it gets a bit dirty, you can gently wipe it with a clean cloth. Don't expose it to extreme temperatures, as this could affect its performance.