The electrode consists of two parts: the core and the coating. The electrode is in the metal welding core outside the coating (coating) uniform, pressure to the core on the coating. Different types of electrode, different welding cores. The welding core is the metal core of the welding rod. In order to ensure the quality and performance of the welding seam, there are strict regulations on the content of all metal elements in the welding core, especially on the content of harmful impurities (such as sulfur, phosphorus, etc.), there should be strict restrictions, better than the parent material.

91 stone bridge welding rod HEROE6013