c. the alloy content. Following are the values of the ultimate strengths of cast iron.

all are approximately equal in … Cast iron generally is brittle and cannot be bent easily.
Since then, it’s become an increasingly common type of metal. Cast iron is produced by smelting iron-carbon alloys that have a carbon content greater than 2%. The cast iron compressive strength is greater than tensile strength. Carbon percentage of Grey Cast Iron: 2.5 to 3.8 % Grey cast iron is having Self-damping, good anti-friction properties and also having the lowest melting point. Following are the values of the ultimate strengths of cast iron. Pig iron is actually a very basic form of cast iron, but it's molded only very crudely because it's typically melted down to make steel.

Hari om. By far the most widely used material for building the world’s infrastructure and industries, it is used to fabricate everything from sewing needles to oil tankers. Cast iron. Before we look at a couple of common steel classification systems, let's consider one more high-carbon metal, cast iron. Cast iron is an iron alloy containing 2 wt.% – 4 wt.% carbon, 1 wt.% – 3 wt.% silicon and smaller amounts of minor elements [1]. There are four basic types of cast iron: Gray cast iron , which is relatively soft. If the percentage of the carbon is in the range of 0 to 2.11 % then it is called Steel and if the percentage of carbon is in the range of 2.11 to 6.67% then it is called Cast iron. There are also differences in composition—cast iron contains 2–4% carbon and other alloys, and 1–3% of silicon, which improves … This iron has high tensile strength and a low compressive strength. Cast irons are multi-component ferrous alloys, which solidify with a eutectic. 2015. It is abrasive resistant as well as cost-effective making them useful in various applications like lifter bars and shell liners in grinding mills, wear surfaces of pumps, balls and rings of coal pulverisers, etc. Cast iron is a brittle and less ductile material which has high compressive strength. Tensile – 100 to 200 N/mm2; Compressive – 400 to 100 N/mm2; Shear – 120 N/mm2; Read also: List of Mechanical Properties [The Complete Guide] Types of Cast Iron. It is hard and not suitable for machining. gray. It is abrasive resistant as well as cost-effective making them useful in various applications like lifter bars and shell liners in grinding mills, wear surfaces of pumps, balls and rings of coal pulverisers, etc. b. the percentage of iron. d. the recommended heat-treating temperature. The carbon content of cast iron is 2.1 percent or more. The term ‘cast iron’ represents a large family of ferrous alloys. malleable. The high carbon content of cast iron (the same as pig iron—roughly 3–4 percent) makes it extremely hard and brittle: large crystals of carbon embedded in cast iron stop the crystals of iron from moving about. It has a compressive strength of more than 200,000 pounds per square inch (PSI), and … The primary difference in production between wrought iron and cast iron is that cast iron is not worked with hammers and tools. In comparison, steel has a lower carbon content of up to 2 wt.% and a lower silicon content. Cast iron can also be further optimized by alloying with small quantities of manganese, molybdenum, cerium, nickel, copper, vanadium and titanium before being cast. white. Hari om, you are asking a question as to : “What is the percentage of carbon present in cast iron and steel?”. The most common type, gray cast iron features a graphite microstructure consisting of many small fractures.

Chapter 5. by fenixnewfire10gm, Jul. Due to its high compressive strength it is used to make base or body of most machines.
There are four basic types of cast iron: Gray cast iron , which is relatively soft. White colour is due to carbide formation. While all cast iron has a carbon content of over 2%, though, there are several different types of cast iron, each of which is unique. Grey cast iron or commonly cast iron are used for large number of cast irons having graphite flakes in ferritic or Pearlitic matrix. ... which of the following type of cast iron is the most ductile? For each type of cast iron it is possible to identify from the Fe-c phase diagram 3 subdivisions by taking into account the carbon percentage in the chemical composition: eutectic cast iron, hypoeutectic cast iron and hypereutectic cast iron. Click to Rate "Hated It" ... a. the percentage of carbon. Today we will discuss about what is cast iron and types of cast iron. The carbon present in the white cast iron precipitates and forms large particles that increase the hardness of the cast iron. Grey Cast Iron is an alloy of Carbon & silicon with iron. Cast iron is ferrous carbon alloys which contain 1.7 to 4.5 percent carbon in either free or combine form. Cast iron is a term used to describe a range of metals that include certain elemental compositions. #1) Gray Cast Iron. The major elements of cast irons are iron, carbon (2 % or more), silicon (1 % to 3 %), minor elements (less than 0.1 … The cast iron compressive strength is greater than tensile strength. The carbon present in the white cast iron precipitates and forms large particles that increase the hardness of the cast iron. After smelting, the metal is poured into a mold.


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