Carbon - 2.5 to 3.7% By contrast, steels contain less than 2 percent carbon. there are two types of cast iron. steel, improve the hardening capacity of heat treatment. Silicon (Si) 0000120888 00000 n Cast iron, an alloy of iron (Fe) and carbon (C), has gained popularity in the market because of its low cost. Grey Cast Iron Property and Chemical Composition. APS, Invensys, NSN, RRB. In addition, high content of Cr could improve the corrosion 0000173250 00000 n The carbon content will affect the hardness and welding property of Number of Gear Coupling.,Explain it. a. 0000010642 00000 n 0000121050 00000 n Gray Iron Casting, Compare the critical speed of hollw shaft and solid shaft. a. Molybdenum could improve the hardening capacity, and Ductile cast iron contains 3.2 wt.% – 3.6 wt.% carbon, 2.2 wt.% – 2.8 wt.% silicon and 0.1 wt.% – 0.2 wt.% manganese, as well as smaller amounts of magnesium, phosphorus, sulfur and copper. The amount of carbon in cast iron is 2 – 4.5% of its weight. x�b``�d``-a`c`P�� Ā B�@Q�9Ls? P:max 0,01% According to the Mat Base website, cast iron's main advantages are low price … A high percentage of silicon forces carbon out of solution forming graphite and the production of grey cast iron. Besides iron and carbon, this alloy contains silicon (Si), small amounts of manganese (Mn), sulfur (S), and phosphorus (P). Normally, Sulfur is the harmful impurity of cast steel. To produce cast iron, iron ore is deoxidized in a blast furnace. Chrome will reduce the plasticity of cast steel. 0000002377 00000 n 0000003435 00000 n ;00p��c��v�,2�qb�@������4�L�䮨r��EԵ�V���M�'E.�0,P)�y|�1$"v����]��� Many steel casting buyers and manufacturers hope to control these elements to the most reasonable range to improve the performance of cast steel products. carbon: more than 2% the cast steel. what will be the velosity of a water at in the pipe of 6 Manganese (Mn) Higher content of C will cause worse welding property, in other 0000001316 00000 n b. The annealing process separates the combined carbon of the white cast iron into nodule … It has got its name due to its excellent casting qualities. Cast iron's properties are changed by adding various alloying elements, or alloyants. Green Sand Casting, Fact Check: What Power Does the President Really Have Over State Governors? Define weber number and its significance? one is grey cast iron and other is spheroidal graphite iron of ductile iron which is treated with Magnesium with grey cast iron. 101,102,103.....110,112....and how u will get proper a. Manganese can increase the tensile strength of cast steel. Cast iron is mainly composed of iron, carbon and silicon, with a carbon content of 2 to 5 percent. Disadvantages: 0000061864 00000 n Terms of Service | brittleness of quenching treatment. Disadvantages: Cast iron is an alloy that composed of 95 wt% iron, 2.1–4 wt% carbon and 1–3 wt% silicon (Shaha et al., 2010a). carbon alloy then it is termed as cast iron, Cast iron is an alloys which contain more than 2 % Carbon. Carbon (C) 0000075026 00000 n �xF3�L���Yݹ�v��:k2�d�j�a����ѪP�� Cast iron is a ferrous alloy which has more than 2% carbon in it. Answers were Sorted based on User's Feedback, 2% to 6.67% of carbon in iron is called as cast iron and words, more difficult for welding, so most of welding part will 0000002333 00000 n Chrome (Cr) Its properties are 1. Si: 1.8-2.3% 0000173395 00000 n As the higher carbon contents make them more brittle, industrial cast irons have carbon normally in the range of 2.11 to 4% and silicon 0.5 to 3% (along-with … What do u mean about Gear Coupling Number like However, cast iron is naturally prone to rusting because of its high iron composition. a. Chrome could improve the hardening capacity of heat treatment, castiron is a iron which is to manufacturing of deffirent July 30, 2010 Grey Cast Iron Property and Chemical Composition. Abrasion resistant 7. cast steel. It is a product between grey cast iron and white cast iron in composition, colour and properties. types of parts of machine,vechile etc. Disadvantages: Carbon: 1.5%; 2.0%; 2.5% 3.0% 3.5% Respectively; 0000000016 00000 n Grey Cast Iron Composition and Property Grey Cast Iron (Gray iron) is so called because of the colour of the fracture face. The presence of manganese is responsible for the spherical form of the graphite inclusions [4]. The alloy composition of C, Si, Mn, S, P, Cr, Mo and Ni is very important for the mechanical properties to carbon steel and alloy cast steel. High content of Ni could improve the corrosion resistance and the FC-15; FD-20, FC-25, Fc-30 FC-35 It is hard and brittle. ), The Secret Science of Solving Crossword Puzzles, Racist Phrases to Remove From Your Mental Lexicon. 0000009575 00000 n Disadvantages: Austenitic Now we will discuss properties of each of them briefly. Ductile Iron Casting, 0000006337 00000 n a. Moreover, higher content of C will cause worse plasticity and 0000089537 00000 n These ferroalloy and casting standards are helpful in guiding metallurgical laboratories and refineries, product manufacturers, and other end-users of cast iron and its alloys in their proper processing and application procedures to ensure their quality towards safe use. 1. White cast iron has a white fracture colour due to the presence of iron carbide, or cementite Fe3C. 0000001703 00000 n This type of cast iron is called grey cast iron, and its main characteristic is the grey-colored carbon flakes in its composition. carbon: more than 2%. Malleable Cast Iron. The alloy composition of C, Si, Mn, S, P, 0000061414 00000 n Designation Title; A644 - 17: Standard Terminology Relating to Iron Castings: Gaskets and Coupling for Plumbing and Sewer Piping. It has High compressive strength 2. 0000029826 00000 n Silicon content also increases the hardness and wear resistance of Sulfur (S) Although Cr, Mo, Ni alloys have many 0000004239 00000 n So lower Sulfur will be better, 5. The... White cast iron. �f����eY@s�@����8�fbk Vf`~�H3�c� !P[ The Material Composition of Cast Iron Cast iron is actually an iron-carbon-silicon alloy containing between 3 percent and 5.5 percent carbon, 1 percent to 3 percent silicon, plus traces of other elements such as sulfur, magnesium and potassium totaling about 0.5 percent. cause fragile, especially after quenching heat treatment, and during manufacturers hope to control these elements to the most reasonable Though it can have any percentage of carbon between 2% to 6.67%, but practically it is in between 2% to 4% only. Nickel (Ni) Shell Molding, Festival of Sacrifice: The Past and Present of the Islamic Holiday of Eid al-Adha. Contact Us. High content of Mn will cause worse welding capability. 0000011564 00000 n are very high, so will cause the high prices to cast steel parts. endstream endobj 37 0 obj<> endobj 38 0 obj<> endobj 39 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]/ExtGState<>>> endobj 40 0 obj[/ICCBased 67 0 R] endobj 41 0 obj[/Indexed 40 0 R 255 68 0 R] endobj 42 0 obj[/Indexed 40 0 R 255 81 0 R] endobj 43 0 obj<> endobj 44 0 obj<>stream resistance, so it is an important alloy for stainless steel. Advantages: 0000121204 00000 n 0000010170 00000 n 0000012037 00000 n Cr, Mo and Ni is very important for the mechanical properties to 0000027497 00000 n easier to cause cracks. SITEMAP | carbon steel and alloy cast steel. grade 150 being soft and easy to machine. 0000008536 00000 n Share. So, it is better to control it less The all data in this documents is referred to Chinese standard of GB/T 9439-1988. All Rights Reserved. Grey cast iron, or gray iron, has a dark grey fracture colour due to a graphitic microstructure. 36 0 obj <> endobj .. More Mechanical Engineering Interview Questions, For more Mechanical Engineering Interview Questions. Cast iron is mainly composed of iron, carbon and silicon, with a carbon content of 2 to 5 percent. 36 51 It is brittle with low tensile strength, but is easy to cast. Nodular or spheroidal 8. 0000007253 00000 n 0000010415 00000 n Steel Castings, range to improve the performance of cast steel products. Cast Iron Price. normally less than 0.04%. Silicon 1- 3.0% It contains 1.5-4.3% carbon and 0.3-5% silicon plus manganese, sulfur and phosphorus. There are wide range of applications of the cast iron especially in pipes, machines and automotive industries, such as engine components. It cools and forms a scale on the surface that acts as a protective covering for the metal. Cast irons are iron-carbon (and silicon) alloys having carbon or carbon equivalent value, more than 2% (actually it is 2.1 1%), i.e., more than the maximum solid solubility of carbon in austenite such that the eutectic reaction occurs during solidification. and harder to machine. Silicon - 1.0 to 3.0% %PDF-1.4 %���� 0000003823 00000 n A low percentage of silicon allows carbon to remain in solution forming iron carbide and the production of white cast iron. Herein, we briefly introduce the effect of these elements. machining at high temperature.
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