is it iron or steel?
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Iron is basically the pure metallic form. you can call it Fe. But when we intentionally add some amount of carbon in iron i.e. less than 2% then we call it steel. Steel has greater mechanical properties due to addition of carbon.
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Most guns are made of steel. Iron is too soft except for lower powered black-powder guns. The pressures in modern arms are usually far above what iron will withstand. Most gun, rifle or handgun, are made of steel alloys to contain the pressures of potent calibers.
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To make steel, iron ore is first mined from the ground. It is then smelted in blast furnaces where the impurities are removed and carbon is added. In fact, a very simple definition of steel is "iron alloyed with carbon, usually less than 1%."
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There are three main types of metals ferrous metals, non ferrous metals and alloys. Ferrous metals are metals that consist mostly of iron and small amounts of other elements.
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Characteristics: Iron is a ductile, gray, relatively soft metal and is a moderately good conductor of heat and electricity. It is attracted by magnets and can be readily magnetized. The pure metal is chemically very reactive and rusts readily in moist air, forming red-brown oxides.
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The strongest steel is forged by the fires of hell. It is pounded and struck repeatedly before it's plunged back into the molten fire. The fire gives it power and flexibility, and the blows give it strength. Those two things make the metal pliable and able to withstand every battle it's called upon to fight.
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Iron is used to make alloy steels like carbon steels with additives such as nickel, chromium, vanadium, tungsten, and manganese. These are used to make bridges, electricity pylons, bicycle chains, cutting tools and rifle barrels.
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The Composition of Steel Steel is an alloy of iron and carbon. It can contain small quantities of silicon, phosphorus, sulfur and oxygen. The carbon content of steel is between 0.08 to 1.5 percent. This makes it harder than wrought iron but not as brittle as cast iron.
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Raw Materials. The ores used in making iron and steel are iron oxides, which are compounds of iron and oxygen. The major iron oxide ores are hematite, which is the most plentiful, limonite, also called brown ore, taconite, and magnetite, a black ore.
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Steel is an alloy. It mixture of iron and carbon fused together with one or more other metals or nonmetals. The chemical formula is Fe.
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Ferrous Alloys Metals containing iron as a primary constituent can be subdivided into two general groups including steels and cast irons.
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Steel is just the element iron that has been processed to control the amount of carbon. Iron, out of the ground, melts at around 1510 degrees C (2750°F). Steel often melts at around 1370 degrees C (2500°F).
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Iron with a steel content of about 1.5% is high-carbon steel. Its density is approximately 7,840 kg/m^3, only slightly less dense than soft steel, but denser than cast iron.
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Steel is graded as a way of classification and is often categorized into four groups—Carbon, Alloy, Stainless, and Tool. Carbon Steels only contain trace amounts of elements besides carbon and iron. This group is the most common, accounting for 90% of steel production.
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Basic Physical Properties of Steel Steel has a density of 7,850 kg/m3, making it 7.85 times as dense as water. Its melting point of 1,510 C is higher than that of most metals. In comparison, the melting point of bronze is 1,040 C, that of copper is 1,083 C, that of cast iron is 1,300 C, and that of nickel is 1,453 C.
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Iron (/ˈaɪərn/) is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is by mass the most common element on Earth, forming much of Earth's outer and inner core.
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Cast iron, an alloy of iron that contains 2 to 4 percent carbon, along with varying amounts of silicon and manganese and traces of impurities such as sulfur and phosphorus. It is made by reducing iron ore in a blast furnace.