Yield Strength Calculator
Determine the Yield Strength of a material using yield load and cross-sectional area
Calculator
Enter the yield load and cross-sectional area to calculate the Yield Strength.
About the Yield Strength Calculator
The Yield Strength Calculator determines the yield stress of a material — the point at which it begins to plastically deform under load. Beyond this limit, the material undergoes permanent deformation and no longer returns to its original shape after the load is removed. This property is essential in mechanical engineering, structural design, and materials science for ensuring component safety and reliability.
What You Can Calculate
- Yield Strength (σy): The maximum stress a material can sustain without permanent deformation.
- Stress from Applied Load: Determine yield stress from the applied yield load and cross-sectional area.
- Material Comparison: Evaluate and compare the yield limits of steels, alloys, and composites for engineering applications.
Formula Used in the Calculator
The yield strength is calculated using the following equation:
- σy = Fy / A
Where:
- σy = Yield Strength (Pa or MPa)
- Fy = Yield Load applied to the specimen (N or kN)
- A = Cross-sectional Area of the specimen (m² or mm²)
How to Use the Yield Strength Calculator
- Enter the yield load (Fy) applied to the test specimen at the onset of plastic deformation.
- Input the cross-sectional area (A) of the specimen.
- Select the desired units for load and area (N, kN, mm², or m²).
- The calculator automatically computes the Yield Strength (σy) in both Pascals (Pa) and Megapascals (MPa).
Applications of Yield Strength in Engineering
- Structural Engineering: Determines the safe load limits for beams, bridges, and frameworks.
- Mechanical Design: Ensures parts such as bolts, shafts, and fasteners remain within elastic limits under service conditions.
- Material Selection: Aids in choosing materials that provide the right balance between strength, ductility, and weight.
- Manufacturing Processes: Used to assess material behavior during forming, bending, or pressing operations.
- Safety Analysis: Establishes design margins to prevent structural or mechanical failure under working loads.
Typical Yield Strength Values for Common Materials
- Mild Steel: 250 – 400 MPa
- High-Strength Steel: 500 – 900 MPa
- Aluminum Alloys: 100 – 400 MPa
- Copper Alloys: 70 – 300 MPa
- Titanium Alloys: 600 – 950 MPa
- Engineering Plastics (e.g., Nylon, PEEK): 40 – 100 MPa