Steels contains-

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Rajasthan PTET 2011 - Official Paper (Memory-Based)
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  1. 0.1 - 2% carbon
  2. 5 - 10% carbon
  3. More than 10% carbon
  4. No carbon

Answer (Detailed Solution Below)

Option 1 : 0.1 - 2% carbon
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Detailed Solution

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The correct answer is 0.1 - 2% carbon.

Key Points

  • Steel is an alloy of iron and carbon containing less than 2% carbon and 1% manganese and trace amounts of silicon, phosphorus, sulphur and oxygen.
  • The steel Melting Process was invented by Bessemer.
  • Stainless Steel was invented by Harry Brearley.

Additional Information

  • Alloy: It is a solid-solid mixture of two or more metals and non-metal.
    • Alloy enhances the property of a particular metal.
  • Some other important alloys are:

Alloys

Composition

Uses

German Silver

Cu + Zn + Ni

In making utensils.

Gun Metal Cu + Sn + Zn + Pb Make steam and hydraulic castings, gears, statues and various small objects.

Bell Metal

Cu + Sn

For casting bells and statues.

Rose Metal

Bi+Pb+Sn

For making automatic fuse.

Solder Pb + Sn Bond metal workpieces together.
Stainless steel Fe + Cr + Ni + C Making kitchen accessories, cookware, and cutlery
Brass Cu + Zn Making ornaments and utensils.
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