er 308 308l_3 32 7018 rods

Product expertise is further demonstrated by a commitment to continuous improvement and innovation. Many top-tier manufacturers invest heavily in R&D to push the boundaries of welding technology. This dedication is seen in the creation of electrodes that offer enhanced weld bead appearance, minimal spatter, and superior slag detachability. They provide specialized solutions, such as low hydrogen or alloyed electrodes, to meet specific environmental or performance criteria, ensuring that welders, engineers, and builders can rely on their products for safety and efficacy in critical applications.

        Cast iron welding rod is a welding rod used for cast iron, characterized by high strength and good plasticity. It is suitable for gray cast iron and ductile iron, and can be machined.
        Cast iron is usually classified according to the distribution of carbon in cast iron, and can generally be divided into white cast iron, gray cast iron, ductile cast iron, vermicular cast iron and malleable cast iron. Due to the high carbon content, uneven structure, low plasticity and poor weldability of cast iron, it is very easy to produce defects such as white cast iron, cracks and pores during welding. Special attention should be paid to the selection of welding process and welding materials during welding. For welding rod arc welding, it can basically be divided into two categories, one is the homogeneous weld type, namely cast iron type; the other is the heterogeneous weld type such as: steel (carbon steel or alloy structural steel, etc.), pure Ni (pure nickel 308), Ni-Fe (nickel iron 408), Ni-Cu (nickel copper 508), Ni-Fe-Cu, Fe-Cu, etc. When selecting welding rods, you can choose according to different cast iron materials, different cutting requirements, different service conditions and importance, different structural characteristics, stiffness, etc.