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Thickness of Plate given Area of Parallel Fillet Weld Calculator

Thickness of Plate Formula:

\[ t_{plate} = \frac{A_{weld\ bed}}{1.414 \times l} \]

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1. What is Thickness of Plate given Area of Parallel Fillet Weld?

Definition: This calculator determines the required plate thickness based on the weld bed area and length of weld for parallel fillet welds.

Purpose: It helps welding engineers and fabricators ensure proper plate thickness for given weld specifications.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ t_{plate} = \frac{A_{weld\ bed}}{1.414 \times l} \]

Where:

  • \( t_{plate} \) — Thickness of plate (meters)
  • \( A_{weld\ bed} \) — Weld bed area (square meters)
  • \( l \) — Length of weld (meters)
  • 1.414 — Constant factor for 45° fillet welds

Explanation: The weld bed area is divided by the product of 1.414 (which comes from √2 for 45° welds) and the weld length to determine plate thickness.

3. Importance of Plate Thickness Calculation

Details: Proper plate thickness ensures weld integrity, structural strength, and prevents failure under load.

4. Using the Calculator

Tips: Enter the weld bed area in m², weld length in meters, and tolerance percentage (default 5%). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is weld bed area?
A: The cross-sectional area of the weld joint prepared for welding.

Q2: Why is 1.414 used in the formula?
A: It's √2, accounting for the 45° angle in standard fillet welds.

Q3: What does the tolerance percentage mean?
A: It shows the acceptable ± variation in plate thickness (default ±5%).

Q4: Can this be used for non-45° welds?
A: No, the formula is specific to standard 45° fillet welds.

Q5: How do I measure weld bed area?
A: It's typically calculated from weld size specifications or measured from joint preparation.

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