what does 7018 mean on a welding rod_what does 7018 mean on a welding rod

Some industry-leading companies renowned for their welding electrodes include Lincoln Electric, ESAB, and Hobart. Lincoln Electric, for example, has a legacy spanning over a century, and it’s known for groundbreaking products and a customer-centric approach. Their electrodes are praised for their superior arc performance and reliability, tailored for complex fabrications across automotive, construction, and industrial domains.

        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.

Chinese manufacturers have honed their expertise over decades, producing electrodes that meet diverse international standards. Brands from China are increasingly prioritizing research and development to enhance electrode performance, improve material formulations, and introduce innovative coating techniques. This dedication to quality ensures that their products are reliable, offering a strong weld with minimal defects and superior mechanical properties.

Chinese manufacturers have honed their expertise over decades, producing electrodes that meet diverse international standards. Brands from China are increasingly prioritizing research and development to enhance electrode performance, improve material formulations, and introduce innovative coating techniques. This dedication to quality ensures that their products are reliable, offering a strong weld with minimal defects and superior mechanical properties.

One of the primary considerations when evaluating a supplier is the range of products they offer. A reputable supplier should provide a comprehensive selection of welding electrodes, catering to various types of welding, including shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), and flux-cored arc welding (FCAW). By offering a wide array of choices, the supplier demonstrates their commitment to meeting diverse client requirements and adapting to advancements in welding technologies.