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Cast iron is a group of iron-carbon alloys with a carbon content of more than 2 to 4 percent. In addition, varying amounts of silicon from 1 to 3% by weight and manganese as well as traces of impurities such as sulfur and phosphorus. Cast iron is made by reducing Iron Ore in a Blast Furnace.
Cast iron is a group of iron-carbon alloys with a carbon content of more than 2 to 4 percent. In addition, varying amounts of silicon from 1 to 3% by weight and manganese as well as traces of impurities such as sulfur and phosphorus.
There are four basic types of cast iron – white iron, gray iron, ductile iron, and malleable iron
As a result of its good tensile strength and ductility, malleable cast iron is used for electrical fittings and equipment, hand tools, pipe fittings, washers, brackets, farm equipment, mining hardware, and machine parts. A common classification for malleable cast iron is ASTM A47.
Cast iron isn’t all about frying. True, a cast-iron skillet is an excellent vehicle for frying. But its ability to retain heat also lends itself to healthy cooking, says Kerri-Ann Jennings, a Vermont-based registered dietitian and nutrition coach.
Cast Iron Maintains Heat. Stainless steel cookware can heat evenly, quickly, but cast iron can hang onto that heat throughout the entire pan for much longer. This makes for a more even and desirable result for foods like meats and steaks.
Cast iron typically has better resistance to mechanical wear than steel, especially in friction-wearing situations.
Cast iron is harder, more brittle, and less malleable than wrought iron. It cannot be bent, stretched, or hammered into shape, since its weak tensile strength means that it will fracture before it bends or distorts. It does, however, feature good compression strength.
Cast iron, again like masonry, is very strong in compression. Wrought iron, like most other kinds of iron and indeed like most metals in general, is strong in tension, and also tough – resistant to fracturing.
Retailers will always charge the highest amount they can for any given product. Cast iron pans are cheap to make and they do not have the advantage of branding like La Creuset. Which makes fine enameled cast iron cook ware. Cooking in cast iron is in a way a niche market and they can be passed down from generations.
Cast iron is an alloy with a high carbon content (at least 1.7% and usually 3.0–3.7%), making it relatively resistant to corrosion.
Despite its name, black iron pipe is actually made of a low-grade “mild steel” compound. This gives it much better corrosion resistance than traditional cast iron piping.
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