Iron-Cementite meta-stable diagram.Cast iron drain, waste and vent piping in a Canadian timber-frame building in Mission, British Columbia in the 1980s.An illustration of furnace bellows operated by waterwheels, from the Nong Shu, by Wang Zhen, 1313 AD, during the Chinese Yuan Dynasty.
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Cast Iron

Cast iron usually refers to grey cast iron, but identifies a large group of ferrous alloys, which solidify with a eutectic. The color of a fractured surface can be used to identify an alloy. more...

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White cast iron is named after its white surface when fractured due to its carbide impurities which allow cracks to pass straight through. Grey cast iron is named after its grey fractured surface, which occurs because the graphitic flakes deflect a passing crack and initiate countless new cracks as the material breaks.

Iron (Fe) accounts for more than 95 %wt of the alloy material, while the main alloying elements are carbon (C) and silicon (Si). The amount of carbon in cast irons is 2.1-4 %wt. Cast irons contain appreciable amounts of silicon, normally 1-3 %wt, and consequently these alloys should be considered ternary Fe-C-Si alloys. Despite this, the principles of cast iron solidification are understood from the binary iron-carbon phase diagram, where the eutectic point lies at 1154 °C and 4.3 wt% carbon. Since cast iron has nearly this composition, its melting temperature of 1150 to 1200 °C is about 300 °C lower than the melting point of pure iron.

Cast iron tends to be brittle, except for malleable cast irons. With its low melting point, good fluidity, castability, excellent machinability and wear resistance, cast irons have become an engineering material with a wide range of applications, including pipes, machine and car parts.

Production

Cast iron is made by remelting pig iron, often along with substantial quantities of scrap iron and scrap steel, and taking various steps to remove undesirable contaminants such as phosphorus and sulfur. Depending on the application, carbon and silicon content are reduced to the desired levels, which may be anywhere from 2% to 3.5% and 1% to 3% respectively. Other elements are then added to the melt before the final form is produced by casting.

Read more at Wikipedia.org


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Cast Iron Bathub,Porcelain Bath Tub,Kohler?,Antique Tub $9.99 Rachael Ray Oval Casserole Cast Iron 5.25 Qt. w/Cover $112.87
Le Creuset Enameled Cast Iron Skillet # 20, White. $15.45 Cast Iron Wilton handpainted frog (paperweight) ? $0.99
24 Piece Vintage Cast Iron Le Creuset Robin Egg Blue $600.00 Le Creuset 5 1/2" Frying Pan $10.99
vintage cast iron kettle with lid $45.00 Lodge Cast Iron Drop Biscuit Pan-New $20.00
Rachael Ray New Fondue Set 1.5 Qt Cast Iron Orange $86.87 PayLess Enamel Cast Iron Orange Oval Dutch Oven 7 Qt $63.99
Burgundy Nonstick Cookware $32.00 Le Creuset, Blue - Dutch Oven,Sauce pan, lid with Bonus $29.99
Le Creuset Black Enamel Tea Pot $16.00 Vintage Cast Iron Skillet For Corn Bread Made In Usa $7.79
Le Creuset 9 Inch Cast Iron Skillet, New $99.99 Le creuset 1 1/4 qt cast iron covd sauce color choice $89.99
Cook's Essentials Cast Iron 9" Round Skillet, Lt. Blue $8.50 Paula Deen Cast Iron 5 Qt Casserole w/Black Oval Lid $83.87
Le Creuset 3.5 Quart Round Dutch Oven (Red) $88.01 Rachael Ray Reversible Griddle Orange Cast Iron Grill $133.87
Rachael Ray New Round 3.5qt. Casserole Cast Iron Orange $86.87 Rachael Ray Round Grill Pan 11" Orange Cast Iron $86.87
Staub 1 Quart La Cocotte Pig in Black Matte Cookwear $99.99 Bodum Cast Iron Wok with glass lid $48.50
Rachael Raynew Reversible Griddle Blue Cast Iron Grill $133.87 Cast Iron Skillet Bunny Spoon rest/holder New $0.99
Rachael Ray Round Casserole Cast Iron 7 Qt. w/Cover New $148.87 Le Creuset 10.25" Cast Iron Round Grill Pan $31.00
Rachael Ray Round Grill Pan 11"Blue Cast Iron Fry Cook $86.87 Copco Brown 3 Qt Pan w/ Lid by Michael Lax / Denmark $9.00
Le Creuset 23& 26 Cast Iron Wood Handle Fry Pans France $54.99 10" Cast Iron " Lodge" Skillet Seasoned Made In Usa $11.00
Nwt Le Creuset Dijon Yellow Buffet Casserole 3.5 Qt $159.99 Cook's Essentials Enamel Cast Iron 9" Round Skillet Red $8.50
Vintage Le Creuset #24 Skillet, Brown $15.50 Cast Iron Preseasoned Double Grill Griddle Old Mountain $29.77
Peugeot Salt Mill U-Select new w/ tags $19.99 Awesome Griswold Cast Iron #9 Tite Top Dutch Oven & Lid $150.00
Cook's Essentials Cast Iron 9" Round Skillet, Black $8.50 Alex Marshall Pottery - 3 pc Nesting Rectangle Dish Set $79.99
Lecreuset Oval Dish #36 $9.99 Le Creuset Kiwi Green 14.25" Oval 3qt Cast Iron Baker $165.99
Griswold 6 Erie Pa Frying Pan 699 $9.99 Le Creuset orange sauce pan 14 enamel cast iron 3 cups $7.99
Le Creuset Citron/Yellow 10" Rnd Cast Iron Fry/Skillet $115.99 Calphalon Enamel Cast Iron Dutch Oven 8 Qt New - Yellow $139.99
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Prices current as of last update, 11/07/09 11:25am.

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