312 dissimilar welding rods_welding rod chart pdf

        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.

Submerged-Arc Welding Wire is a type of welding wire that has been specifically designed for use in SAW applications. It is a metal wire, typically made from copper or stainless steel, that is submerged in an electric arc to create the weld. This method of welding provides many advantages over traditional arc welding techniques, including higher strength and improved penetration depth. Additionally, it produces cleaner welds with fewer porosity defects than other methods.

Authoritativeness is further bolstered by China's accreditation with numerous international certification bodies such as ISO, AWS, and CE. A vast majority of Chinese welding electrode manufacturers adhere to these standards, reflecting their pledge to maintain superior product quality. Participation in global trade shows and technical fairs also reinforces China's authoritative presence in the welding sector. By constantly engaging with the global community, Chinese companies not only exhibit their products but also absorb valuable market insights, reaffirming their status as leaders in the field. Collaboration with international counterparts has resulted in the exchange of best practices, ensuring that China's welding electrodes remain at the forefront of technological advancements.