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Ductile iron, also known as ductile cast iron, nodular cast iron, spheroidal graphite iron, spheroidal graphite cast iron[1] and SG iron, is a type of graphite -rich cast iron discovered in 1943 by Keith Millis. [2] While most varieties of cast iron are weak in tension and brittle, ductile iron has much more impact and fatigue resistance, due ...
Ductile iron pipe. Section of DICL pipe (ductile iron concrete lined), commonly used for utility water mains, showing iron casing, concrete lining, and textured polymer protective coatings on the inner and outer surfaces. Ductile iron pipe is pipe made of ductile cast iron commonly used for potable water transmission and distribution. [1]
Compacted graphite iron (CGI), also known as vermicular graphite iron (GJV, VG, [1] JV[2] or GGV from the German: "Gusseisen mit Vermiculargraphit"[3]) especially in non-English speaking countries, [4] is a metal which is gaining popularity in applications that require either greater strength, or lower weight than cast iron.
Austempered Ductile Iron (ADI) is a form of ductile iron that enjoys high strength and ductility as a result of its microstructure controlled through heat treatment. While conventional ductile iron was discovered in 1943 and the austempering process had been around since the 1930s, the combination of the two technologies was not commercialized ...
Micrograph of grey cast iron. Gray iron, or grey cast iron, is a type of cast iron that has a graphitic microstructure. It is named after the gray color of the fracture it forms, which is due to the presence of graphite. [1] It is the most common cast iron and the most widely used cast material based on weight. [2]
3,000 (2010) Website. american-usa.com. American Cast Iron Pipe Company is a manufacturer of ductile iron pipe, spiral-welded steel pipe, fire hydrants, and valves for the waterworks industry, and electric-resistance-welded steel pipe for the oil and natural gas industry. Headquartered in Birmingham, Alabama, American's diversified product line ...
McWane, Inc. is one of the world's largest manufacturers of iron water works and plumbing products and one of America's largest privately owned companies. [1] The company manufactures a host of different products including ductile iron pipe and fittings, cast iron soil pipe and fittings, heavy duty couplings, utility poles, network switches, monitoring equipment and related products. [2]
Austempering is heat treatment that is applied to ferrous metals, most notably steel and ductile iron. In steel it produces a bainite microstructure whereas in cast irons it produces a structure of acicular ferrite and high carbon, stabilized austenite known as ausferrite. It is primarily used to improve mechanical properties or reduce ...
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