1. What is Angle Iron Bending Strength?

Definition: This calculator determines the bending moment capacity of angle iron based on its yield strength and section modulus.

Purpose: It helps engineers and metalworkers determine the load-bearing capacity of angle iron in structural applications.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( S \) — Bending strength (N·m)
• \( Y \) — Yield strength of the material (Pascals)
• \( Z \) — Section modulus of the angle iron (m³)

Explanation: The yield strength represents the stress at which the material begins to deform plastically, while the section modulus represents the geometric strength of the cross-section.

3. Importance of Bending Strength Calculation

Details: Proper calculation ensures structural integrity, prevents material failure, and helps in selecting appropriate angle iron sizes for specific loads.

4. Using the Calculator

Tips: Enter the material's yield strength in Pascals and the section modulus in cubic meters. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is typical yield strength for angle iron?
A: Common structural steel has yield strength around 250 MPa (250,000,000 Pa), but this varies by material grade.

Q2: How do I find the section modulus?
A: Section modulus can be calculated from angle iron dimensions or found in engineering tables for standard sizes.

Q3: Does this account for safety factors?
A: No, this calculates theoretical capacity. Always apply appropriate safety factors in actual designs.

Q4: Can I use this for other shapes besides angle iron?
A: The formula works for any shape if you have the correct section modulus, but results are specific to angle iron's unique loading characteristics.

Q5: What units should I use?
A: Use Pascals for yield strength and cubic meters for section modulus to get bending strength in Newton-meters.