However, 316 is mainly used in construction and infrastructure because it is sturdy, pitting and corrosion resistant in most cases. 316L steel is easier to obtain a certain degree of magnetism.īoth types of stainless steel can be used in various industries. However, some 316 stainless steel products can be cold formed and welded, in which the crystal structure of austenite is transformed into ferromagnetic martensite. Unlike ferromagnetic basic stainless steels, most varieties of stainless steel (including 316) are austenitic-or actually non-magnetic. The responsiveness of 316 stainless steel to magnetic field is very low. The cost of 316 and 316L stainless steel is roughly the same. Because the carbon content of 316L is less than that of 316, it has better intergranular corrosion resistance, which means that its weld will not rot like 316 stainless steel. You need to consider the following factors:ģ16L is the best choice for high corrosion and high temperature applications. Should I use 316 or 316L stainless steel? This reduces the risk of carbon deposition, making it a better choice for welding to ensure maximum corrosion resistance.ģ16 stainless steel has a medium carbon content and a molybdenum content of between 2% and 3%, thus improving its resistance to corrosion, acidic elements and high temperatures.īoth materials have excellent ductility, which means that they perform well in bending, stretching, deep drawing and spinning. To meet the requirements of 316L stainless steel, the carbon content must not exceed 0.03%. The difference between them is that the proportion of carbon in 316L is lower. ![]() The main alloy composition after iron is chromium (16-18%), nickel (10-12%) and molybdenum (2-3%), as well as a small amount (< 1%) of silicon, phosphorus and sulfur.ģ16L is commonly used in the chemical and petrochemical industries, food processing, pharmaceutical equipment, medical devices, drinking water, wastewater treatment, marine applications and near the coast or in urban areas.ģ16 and 316L stainless steel alloys are both marine-grade steels. 316L grade stainless steel, also known as A4 stainless steel or marine grade stainless steel, is the second most common austenitic stainless steel after 304/A2 stainless steel.
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