So many welding rods are available in the market but 7018 is the most popular welding rod. Because of its versatility and effectiveness. The 7018 welding rod is also known as E7018. 7018 is made up of solid wire core and with a thick flux coating. To make their core makers use mild steel and a sum of manganese and silicone. The other side its thick flux is made of iron powder, potassium silicate, other minerals and metal. The first two numbers of 7018 represent its strength which is 70,000 pounds, the last two digits indicate how much flux on the welding core. It produces stronger and deeper welds.
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