What Causes Steel Defects?
aluhm > 12-14-2021, 06:14 AM
Steel is made by a series of processes. First, steel is melted. While the steel is molten, some elements like sulfur are removed and some elements like manganese, vanadium, and boron are added. Elements that are removed to make one grade of steel to make it more formable will be added to a different grade of steel to make it stronger. Next, elements like silicon and aluminum that combine with oxygen to make solid compounds that have high melting temperatures are added to keep the oxygen from forming compounds that might melt when the steel is heated for rolling. These compounds can remain as microscopic particles, called ‘inclusions’. Current steel making practices have greatly reduced the size and frequency of these inclusions.