welding gasless mig_what are 7018 welding rods used for

China's manufacturing might is undeniable, especially in sectors involving metallurgy and heavy industries. The country’s welding electrode production benefits from this well-established infrastructure and extensive expertise. Chinese manufacturers utilize cutting-edge technology and adhere to international standards like AWS (American Welding Society) and ISO certifications to ensure their products meet global quality requirements. It’s not uncommon for industry leaders to share real-world experiences, attesting to the reliability and competitive edge of Chinese welding electrodes.

        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.

Argon-Arc Welding Wire is a type of welding wire that offers superior performance and reliability. It is designed to be used with an arc welding process, which uses argon gas to create the weld joint. This weld joint can then be sealed by using a filler material such as steel or aluminum. The welding wire itself is made from a variety of different materials including copper, stainless steel, nickel and titanium alloys.