Eutectoid reaction occurs at

Engineering Materials
Eutectoid reaction occurs at

723°C

1493°C

1147°C

600°C

723°C

1493°C

1147°C

600°C

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Engineering Materials
Carbon steel is

Refined from cast iron

Extensively used for making cutting tools

Made by adding carbon in steel

An alloy of iron and carbon with varying quantities of phosphorus and sulphur

Refined from cast iron

Extensively used for making cutting tools

Made by adding carbon in steel

An alloy of iron and carbon with varying quantities of phosphorus and sulphur

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Engineering Materials
White cast iron

Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron

Is produced by small additions of magnesium (or creium) in the ladle. Graphite is in nodular or spheroidal form and is well dispersed throughout the material

Is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable

Is produced by annealing process. It is soft, tough and easily machined metal

Contains 1.7 to 3.5% carbon in Free State and is obtained by the slow cooling of molten cast iron

Is produced by small additions of magnesium (or creium) in the ladle. Graphite is in nodular or spheroidal form and is well dispersed throughout the material

Is also known as chilled cast iron and is obtained by cooling rapidly. It is almost unmachinable

Is produced by annealing process. It is soft, tough and easily machined metal

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Engineering Materials
The property of a material which enables it to retain the deformation permanently, is called

Ductility

Malleability

Brittleness

Plasticity

Ductility

Malleability

Brittleness

Plasticity

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Engineering Materials
Vanadium in high speed steels

Promotes decarburisation

Forms very hard carbides and thus increases wear resistance

Promotes retention of austenite

Provides high hot hardness

Promotes decarburisation

Forms very hard carbides and thus increases wear resistance

Promotes retention of austenite

Provides high hot hardness

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Engineering Materials
Manganese in steel increases its

Hardness

Tensile strength

Ductility

Fluidity

Hardness

Tensile strength

Ductility

Fluidity

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Engineering Materials

Engineering Materials Eutectoid reaction occurs at

Engineering Materials Carbon steel is

Engineering Materials White cast iron

Engineering Materials The property of a material which enables it to retain the deformation permanently, is called

Engineering Materials Vanadium in high speed steels

Engineering Materials Manganese in steel increases its

Engineering Materials
Eutectoid reaction occurs at

Engineering Materials
Carbon steel is

Engineering Materials
White cast iron

Engineering Materials
The property of a material which enables it to retain the deformation permanently, is called

Engineering Materials
Vanadium in high speed steels

Engineering Materials
Manganese in steel increases its