Materials Science And Engineering
Materials Science And Engineering
10th Edition
ISBN: 9781119405498
Author: Callister, William D., Jr, RETHWISCH, David G., Jr., 1940- Author.
Publisher: Wiley,
Question
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Chapter 11, Problem 1QAP

(a)

To determine

To List:

The four types of steels.

(a)

Expert Solution
Check Mark

Answer to Problem 1QAP

The classifications of steels are listed below:

Explanation of Solution

The classifications of steels are listed as below:

  • Low carbon steels.
  • High carbon steels.
  • Medium carbon steels.
  • High carbon alloy steels.

(b)

To determine

The properties and typical applications of 4 types of steels.

(b)

Expert Solution
Check Mark

Answer to Problem 1QAP

The properties and typical applications of 4 types of steels are given below:

Explanation of Solution

List the properties of low carbon steels:

  • Soft and weak (highly ductile).
  • Ease to machine (easily machinable).
  • Corrosion resistance is low.
  • Easily weldable.

List the applications of low carbon steels:

  • Structural shapes.
  • Screw and bolts.
  • Pipelines.
  • Bridges.
  • Tin plates.

List the properties of high carbon steels:

It contains larger than 10% of alloying elements, thus the properties of steel based upon the alloying metals.

  • High corrosion resistance.
  • Melting point is approximately 1000°C .
  • Low fracture toughness.
  • Difficult to weld.
  • The percentage of carbon presence is about 0.452.11% .

List the applications of high carbon steels:

  • Hammers.
  • Dies.
  • Chisels.
  • Screw drivers.
  • Knives.

List the properties of medium carbon steel:

  • Treatable under heat.
  • Moderate corrosion resistance.
  • Easily hardenable.
  • The strength lies between 1400-1600MPa .

List the applications of medium carbon steels:

  • connecting rods.
  • Rifle and guns.
  • Gears.
  • Machine parts.

List the properties of high carbon alloy steels:

  • Wear resistant.
  • Improved machinibilty upon adding of sulphur as an alloy.
  • Improved fracture toughness upon adding of nickel as an alloy.
  • High corrosion resistance.

List the applications of high alloy steels:

  • cutting tools.
  • surgical tools.
  • Machine parts.
  • Driller.

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