Yield Stress Formula:
Definition: This calculator estimates the yield stress of one steel material based on another steel's properties and their relative material costs.
Purpose: It helps engineers and material scientists compare steel grades and make cost-effective material selections.
The calculator uses the formula:
Where:
Explanation: The formula relates the yield stresses of two materials through their cost ratio and material prices.
Details: Yield stress is critical for structural design, determining when a material will begin to deform plastically.
Tips: Enter the relative cost ratio (±5%), yield stress of material 2, and both material costs. All values must be > 0.
Q1: Why use relative cost ratio?
A: It accounts for the cost-performance relationship between different steel grades.
Q2: What's a typical yield stress for structural steel?
A: Common values range from 250 MPa to 690 MPa for different grades.
Q3: How accurate is this calculation?
A: It provides an estimate; actual properties should be verified with material specifications.
Q4: Can I use this for non-steel materials?
A: The principle may apply, but the relationship might differ for other materials.
Q5: Why the ±5% note on relative cost?
A: Material costs fluctuate; this accounts for typical market variations.