The percentage of carbon in low carbon steel is

Engineering Materials
The percentage of carbon in low carbon steel is

0.3%

0.15%

0.5%

0.05%

0.3%

0.15%

0.5%

0.05%

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Engineering Materials
White cast iron

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

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

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

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

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Engineering Materials
In grey cast iron, carbon is present in the form of

Flakes

Spheroids

Cementite

Free carbon

Flakes

Spheroids

Cementite

Free carbon

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Engineering Materials
Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is

Silver metal

Duralumin

Hastelloy

Invar

Silver metal

Duralumin

Hastelloy

Invar

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Engineering Materials
In a hardening process, the hypo-eutectoid steel is

Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace

Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium

Heated below or closes to the lower critical temperature and then cooled slowly

Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air

Heated from 30°C to 50°C above the upper critical temperature and then cooled slowly in the furnace

Heated from 30°C to 50°C above the upper critical temperature and then cooled suddenly in a suitable cooling medium

Heated below or closes to the lower critical temperature and then cooled slowly

Heated from 30°C to 50°C above the upper critical temperature and then cooled in still air

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Engineering Materials
According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is

0.35 to 0.45%

0.0004

0.4 to 0.6%

0.6 to 0.8%

0.35 to 0.45%

0.0004

0.4 to 0.6%

0.6 to 0.8%

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Engineering Materials

Engineering Materials The percentage of carbon in low carbon steel is

Engineering Materials White cast iron

Engineering Materials In grey cast iron, carbon is present in the form of

Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is

Engineering Materials In a hardening process, the hypo-eutectoid steel is

Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is

Engineering Materials
The percentage of carbon in low carbon steel is

Engineering Materials
White cast iron

Engineering Materials
In grey cast iron, carbon is present in the form of

Engineering Materials
Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is

Engineering Materials
In a hardening process, the hypo-eutectoid steel is

Engineering Materials
According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is