# Fatigue Life of 0.10mm SS304 Sheet | Sathish Rosario

• Sathish Rosario
In summary, the conversation discusses the calculation of fatigue life for a SS304 sheet subjected to repeated impact from a SS430F metal component. Factors such as hitting load, tensile strength, yield strength, and hardness of the sheet are given, along with the expected life and the problem at hand. The conversation also includes a request for practical examples and a summary of the steps involved in calculating the fatigue life.
Sathish Rosario
Dear All,

I would like to calculate fatigue life for the following:

A SS430F metal component is repeatedly hitting at 0.10mm SS304 sheet with 1 Kg load from 0.20 mm distance.

Assume,
Area of hitting: 5.5mm X 16mm = 88 Sq.mm.
Tensile strength of 0.10mm SS304 sheet is 515 MPa.
Yield strength of 0.10mm SS304 sheet is 205 MPa.
Hardness of 0.10mm SS304 sheet is 85 HRB.
Expected life of 0.10mm SS304 sheet is 50 crores impact forces.

How to calculate the fatigue life of 0.10mm SS304 sheet.

Kindly help me to solve this problem.

Sathish Rosario
sathishrosario@gmail.com
+91 9003458250

Since I am new to fatigue calculation, can u give some practical step by step examples.

Regards
Sathish Rosario
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jack action said:

## 1. What is the significance of studying the fatigue life of 0.10mm SS304 sheet?

The fatigue life of a material refers to its ability to withstand repeated cycles of stress without failure. This is important because it helps us understand the durability and reliability of a material, which is crucial in various engineering and industrial applications.

## 2. How is the fatigue life of 0.10mm SS304 sheet determined?

The fatigue life of a material is determined through fatigue testing, which involves subjecting the material to repeated cycles of stress until it fails. The number of cycles required to cause failure is then recorded and used to calculate the fatigue life of the material.

## 3. What factors can affect the fatigue life of 0.10mm SS304 sheet?

The fatigue life of a material can be affected by various factors such as the material's composition, surface finish, loading conditions, and environmental factors. Other factors include the presence of defects, residual stresses, and manufacturing processes.

## 4. What is the typical fatigue life of 0.10mm SS304 sheet?

The fatigue life of a material can vary depending on the aforementioned factors. However, SS304 is known for its good fatigue resistance and can typically withstand millions of cycles before failure. The exact fatigue life will also depend on the specific application and stress levels.

## 5. How can the fatigue life of 0.10mm SS304 sheet be improved?

The fatigue life of a material can be improved through various methods such as surface treatments, reducing stress concentrations, and using higher quality materials. Additionally, proper design and maintenance can also contribute to improving the fatigue life of 0.10mm SS304 sheet.