e7018 1 welding rod_e7018 1 welding rod

Expertise in this field does not come by chance. Chinese manufacturers have invested heavily in research and development, often collaborating with universities and research institutions to stay at the forefront of welding technology. This commitment to innovation is evident in their development of electrodes that offer improved arc stability, enhanced weld bead appearance, and superior mechanical properties. As a result, Chinese electrodes are now synonymous with robust performance even under challenging conditions.

The welding industry hinges on precision and durability. As such, manufacturers who consistently adhere to international quality standards, such as ISO and AWS certifications, stand out for their commitment to excellence. This not only assures customers of product quality but also cements the manufacturer’s reputation as a leader in the industry. Reputable manufacturers invest heavily in research and development, ensuring that their products evolve with technological advancements and meet the complex needs of modern 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.