ER320Lr Filler Wire is a type of stainless steel filler rod that is composed primarily of iron, with smaller quantities of chromium and manganese. The purpose of the added chromium and manganese elements is to provide improved corrosion resistance and higher tensile strength. This material, when welded properly, can be used for high-temperature applications up to 600°C/1110°F due to its heat resistance properties. Industries such as nuclear power plants have been known to use ER320Lr Filler Wire due to its excellent resistance to corrosion in media, including salt water and high-pressure steam systems.
SS ER320Lr Filler Wire is widely regarded as the most suitable material for dealing with stainless steel welding applications. Its properties make it a reliable solution for welding various alloys, including austenitic, ferritic and martensitic stainless steels. By controlling chromium and molybdenum content in its material composition, this filler wire helps to reduce corrosion risks and increases impact toughness for higher strength requirements. This weld filler wire also provides good resistance to high-temperature oxidation and crevice corrosion, making it the ideal choice for welders dealing with high-pressure environments in industries like chemical transport, water treatment plants and food processing. Its smooth arc characteristics also allow for good control and stability during welding processes, resulting in finished products with optimal quality requirements and parameters.
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