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MS Square Pipe 40x40x3mm Weight Calculator

Weight Formula:

\[ W = \rho \times (a^2 - b^2) \times L \]

kg/m³
meters

1. What is MS Square Pipe Weight Calculator?

Definition: This calculator estimates the weight of mild steel (MS) square pipes with dimensions 40mm × 40mm × 3mm wall thickness.

Purpose: It helps engineers, construction professionals, and metal workers determine the weight of square pipes for material estimation and transportation.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ W = \rho \times (a^2 - b^2) \times L \]

Where:

  • \( W \) — Weight of pipe (kilograms)
  • \( \rho \) — Density of steel (kg/m³, default 7850)
  • \( a \) — Outer dimension (0.04 meters for 40mm pipe)
  • \( b \) — Inner dimension (0.034 meters for 3mm wall thickness)
  • \( L \) — Length of pipe (meters)

Explanation: The formula calculates the cross-sectional area of the steel (outer area minus inner area) and multiplies by length and density.

3. Importance of Pipe Weight Calculation

Details: Accurate weight calculation is crucial for structural design, material procurement, transportation planning, and cost estimation.

4. Using the Calculator

Tips: Enter the steel density (default 7850 kg/m³) and pipe length in meters. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why is the default density 7850 kg/m³?
A: This is the standard density for mild steel (MS), the most common material for square pipes.

Q2: Can I use this for other pipe sizes?
A: No, this calculator is specifically for 40×40×3mm pipes. Different dimensions require different a and b values.

Q3: How accurate is this calculation?
A: It provides theoretical weight. Actual weight may vary slightly due to manufacturing tolerances.

Q4: What if my pipe has different wall thickness?
A: You would need to adjust the inner dimension (b) accordingly in the formula.

Q5: How do I calculate for multiple pipes?
A: Multiply the result by the number of pipes of the same dimensions.

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