Shock resisting steels should have  a low wear resistance


Shock resisting steels should have _ _ a low wear resistance b low hardness c low tensile strength d toughness


Step 1

Solution :

Shock resisting steels should have toughness.

Option     D

Explanation :

  • Shock resisting steels are designed to withstand sudden impacts or shocks without breaking or deforming.
  • Toughness is a material’s ability to absorb energy and deform plastically before fracturing.
  • It is a combination of strength and ductility.
  • In the context of shock resisting steels , toughness is crucial because it enables the material to absorb the energy from impacts without cracking or failing.


High toughness is essential for applications where the steel is subjected to sudden loads for applications where the steel is subjected to sudden loads or impacts , such as in tools like hammers , chisels or in the structural components that may experience shock loads.

Step 2

Why not other options :

a) Low wear resistance :

  • Wear resistance is the ability of a material to resist abrasion or erosion.
  • While wear resistance is important for many applications , it is not the primary characteristics required for shock resisting steels.
  • High wear resistance is not directly related to a material’s ability to withstand shocks or impacts.

b) Low hardness :

  • Hardness is a measure of a material’s resistance to indentation or scratching.
  • While hardness can contribute to wear resistance , low hardness is not desirable for shock resisting steels.
  • In fact , a certain level of hardness is often needed to ensure the material can withstand impacts without deforming excessively.

c) Low tensile strength :

  • Tensile strength is the maximum stress a material can withstand while being the stretched or pulled before breaking.
  • While tensile strength is an important property for many materials , low tensile strength is not a characteristic of shock resisting the steels.
  • These steels need adequate tensile strength to ensure they can handle the stresses associated with shock loads.


Based on the above reasons these are not correct options for the given question.


Final Solution :

Shock resisting steels should have a toughness. Option D

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Understanding Shock Resisting Steels: Key Properties for Optimal Performance

Shock resisting steels are essential materials in industries that require high durability and performance under extreme conditions. These steels are designed to withstand sudden and intense forces, making them ideal for applications in tools, automotive components, and heavy machinery. Understanding the key properties of shock resisting steels is crucial for selecting the right material for specific applications and ensuring optimal performance.


Shock resisting steels are a specialized category of alloy steels known for their ability to endure high impact and sudden shocks without fracturing. This resilience is achieved through a combination of toughness, wear resistance, and strength. These properties make shock resisting steels invaluable in sectors where equipment is subjected to harsh and demanding environments.

Selecting the right type of shock resisting steel can significantly impact the longevity and efficiency of machinery and tools. Industries such as automotive manufacturing, aerospace, and heavy construction rely on these materials to maintain the integrity and safety of their operations. Understanding the specific properties that contribute to the performance of shock resisting steels helps in making informed decisions that enhance productivity and reduce downtime.

Key Properties of Shock Resisting Steels


Toughness is the primary characteristic that sets shock resisting steels apart from other types of steel. Toughness refers to the material’s ability to absorb energy and deform plastically before fracturing. In applications where materials are exposed to sudden impacts or high-stress conditions, toughness ensures that the steel can withstand these forces without breaking.

Wear Resistance

While toughness is critical, wear resistance is also an essential property of shock resisting steels. Wear resistance refers to the steel’s ability to resist abrasion and erosion caused by friction. High wear resistance ensures that the steel maintains its structural integrity and continues to perform effectively over extended periods, even in abrasive environments.


Hardness is the measure of a material’s resistance to deformation. In the context of shock resisting steels, an optimal balance of hardness is crucial. While these steels do not need to be extremely hard, sufficient hardness is necessary to prevent excessive wear and deformation under load. The right hardness level contributes to the overall durability of the material.

Tensile Strength

Tensile strength is the maximum amount of tensile (stretching) stress that a material can withstand before breaking. Although tensile strength is important, shock resisting steels typically prioritize toughness over tensile strength. This balance ensures that the steel can endure impact forces without succumbing to brittleness and fracture.

Heat Treatment

Heat treatment processes, such as quenching and tempering, are vital in developing the desired properties of shock resisting steels. These processes enhance the toughness and hardness of the steel, making it suitable for high-impact applications. Proper heat treatment ensures that the steel achieves the right microstructure to perform optimally under shock and stress.

Applications of Shock Resisting Steels

Automotive Industry

In the automotive industry, shock resisting steels are used in components that are subject to high impact and stress, such as suspension systems, axles, and gears. These parts require materials that can endure constant shocks and vibrations without compromising safety and performance.

Aerospace Industry

The aerospace industry relies on shock resisting steels for critical components that must perform reliably under extreme conditions. Landing gear, turbine blades, and structural parts are often made from these steels to ensure that they can withstand the rigorous demands of flight and landing.

Tool and Die Manufacturing

Tools and dies used in manufacturing processes, such as stamping, forging, and cutting, are frequently made from shock resisting steels. These tools must endure repetitive high-impact forces without losing their shape or functionality, making toughness and wear resistance crucial properties.

Heavy Machinery

Construction and mining equipment are subjected to harsh operating conditions, including high impact and abrasive environments. Shock resisting steels are used in the production of these machines to ensure durability and longevity, reducing maintenance costs and downtime.


Shock resisting steels are indispensable in industries that require materials to withstand extreme forces and conditions. The key properties of toughness, wear resistance, hardness, and tensile strength, along with proper heat treatment, make these steels ideal for high-impact applications. Understanding these properties is essential for selecting the right shock resisting steel to ensure optimal performance and longevity of tools, machinery, and components.

Investing in the right shock resisting steel can lead to significant improvements in operational efficiency, safety, and cost savings. As industries continue to push the boundaries of performance and durability, the importance of selecting the appropriate materials becomes increasingly evident. By focusing on the critical properties of shock resisting steels, businesses can achieve superior outcomes and maintain a competitive edge in their respective fields.

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