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Ductile cast iron

achieve high ductility and tensile strength, ductile cast iron 2 ductile cast iron as a material in contrast to grey cast iron where the free graphite is present in lamellar form the free graphite in ductile malleable cast iron is spherical in shape sphe roidal graphite this form of graphite favours the

fabrications would have been used. From this point, ductile cast iron grew into a world class material offering cast solu-tions at a competitive price compared to traditional alterna-tives. The advantages of ductile iron which have led to its success are numerous, but they can be summarized easily - versatility and higher performance at lower cost.
Ductile cast iron (also known as nodular graphite iron, spheroidal graphite iron, and SG iron) bridges the gap between gray iron and steel.
DUCTILE IRON What is Ductile Iron? In 1943, in an effort to create an iron with better mechanical properties than either gray or malleable iron, Keith Dwight Millis made a ladle addition of magnesium (as a copper-magnesium alloy) to cast iron while working in the International Nickel Company Research Laboratory.
65-45-12 Ductile Iron. Dura-Bar 65-45-12 ductile iron contains nodular graphite in a matrix of ferrite with small amounts of pearlite. The ferritic structure gives excellent machinability with good surface finishes along with optimal impact strengths, fatigue properties, electrical conductivity and high magnetic permeability.
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The current ISO standard for ductile iron is ISO 1085 (2004), the grades being much the same as Finally, in an effort to offer cast iron with specific or tightly controlled properties, some companies...
Ductile iron as-cast. Nodules of graphite, pearlite (dark islands) and ferrite (light background). The suspension made from the cast austempered ductile iron has proved to be much more robust.
Ductile iron, also known as nodular iron or spheroidal graphite iron, is second to gray iron in the amount of casting produced. This article discusses the common grades of ductile iron that differ primarily by the matrix structure that contains the spherical graphite.
Ductile iron as-cast. Nodules of graphite, pearlite (dark islands) and ferrite (light background). The suspension made from the cast austempered ductile iron has proved to be much more robust.
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The Brockmoor Foundry produces S.G/nodular iron castings to IATF 16949 Quality Standards on greensand moulding lines. The production of ductile iron castings has been our core business for over 75 years. Together with our machine shop, established over 40 years ago, we are able to supply either rough or CNC machined castings to exacting ...
6 in. 8 in. American Cast Iron Pipe Fastite® 10 in. CL350 Cement Lined Ductile Iron Pipe (Domestic) Part #. AFT350P10. Item #. 1236712. Mfr. Part #. 4005397.
gray cast iron. The tensile strength can be further increased to a range of 100,000 - 120,000 psi through proper heat treatment. Soil pipe and fittings were among the first ductile iron applications due to the product strength requirements. Many automotive components also transitioned from gray and malleable iron to ductile iron, thus taking
Ductile irons belongs to the cast iron family. As the name suggests they are more ductile than most cast irons and have similar properties to grey irons i.e. good hardness, wear and corrosion resistance. Tensile and yield strengths vary widely with different microstructures.
Ductile cast iron used in the manufacture of trench grating or solid covers and frames shall conform to ASTM A536-80 grade 65-45-12. All castings shall be of uniform quality, free from blow holes, shrinkage defects, swells, cracks, or other defects. Casting will be free of fins, burrs and slag.
Miami-Cast is a gray and ductile iron foundry. which is small in size, but big in commitment. Our foundry manufactures high quality castings ranging in size from a few pounds up to 1,000 lbs. All molds and cores are made using a phenolic urethane no-bake system prepared with continuous mixers.
Ductile Iron can be easily cast and machined. Ductile has great vibration damping and corrosion resistance properties. Ductile Iron has a great strength to weight ratio. Finally Ductile Iron can be made for a much lower cost than steel. One of the reasons for this lower cost can be attributed to the gross material being used is less for casting ...
Ductile cast iron has properties resembling steel but with the added advantage of remarkable castability, thus they are preferred materials for cast components in many industries. The mechanical properties and remarkable castability of cast irons is attributed to the formation of graphite spheres (nodules) during the course of solidification.
Ductile Iron can be easily cast and machined. Ductile has great vibration damping and corrosion resistance properties. Ductile Iron has a great strength to weight ratio. Finally Ductile Iron can be made for a much lower cost than steel. One of the reasons for this lower cost can be attributed to the gross material being used is less for casting ...