chemistry behind alloy steel

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chemistry behind alloy steel

Steel - Chemistry Encyclopedia - structure,elements

HistoryMaking SteelWorld Steel ProductionIt appears that ancient peoples were using iron as early as 4000 B.C.E.for making various tools,weapons,and other objects.They apparently obtained the iron from meteorites.The composition of those earliest iron artifacts was higher in nickel than native iron ores on Earth,in keeping with the composition of meteorites.In fact,the word iron comes from an ancient term meaning metal from the sky. It is interesting to note that when Admiral Robert Peary visited Greenland in the 1890s,he found that the InSee more on chemistryexplainedAlloy Steel Properties,Processing and Applications Types of Alloy SteelProperties of Alloy SteelProduction ProcessingApplications ExamplesThere are multiple subcategories of alloy steel.These include 1.Low-alloy steel 2.High-strength low alloy (HSLA) steel 3.High-alloy steel 4.Stainless steel 5.Microalloyed steel 6.Advanced high-strength steel (AHSS) 7.Maraging steel 8.Tool steel Low alloy steels generally contain less than 8 wt.% non-iron elements,whereas high-alloy steels contain more than 8 wt.% non-iron elements .Both typically have superior mechanical propertieSee more on matmatch21 Chemical Elements and Effects on Steel Mechanical Carbon (C) Carbon is the most important element in steel,it is essential in steels which have to beManganese (Mn) Manganese could be the second most important element after Carbon on steel.Phosphorus (P) Although it increases the tensile strength of steel and improves machinability it isSulfur (S) Sulfur is normally regarded as an impurity and has an adverse effect on impactSilicon (Si) Silicon is one of the principal deoxidizers for steel.Silicon helps to remove bubbles ofChromium (Cr) Chromium is a powerful alloying element in steel.Cr presents in certain structuralVanadium (V) The effects of Vanadium chemical element are similar to those of Mn,Mo,and Cb.Tungsten (W) It is used with chromium,vanadium,molybdenum,or manganese to produce highMolybdenum (Mo) Molybdenum has effects similar to manganese and vanadium,and is often usedCobalt (Co) Cobalt improves strength at high temperatures and magnetic permeability.Increases

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