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MS Hollow Pipe Weight Calculator

Pipe Weight Formula:

\[ W = \frac{\rho \times \pi \times (OD^2 - ID^2) \times L}{4} \]

kg/m³
meters
meters
meters

1. What is a MS Hollow Pipe Weight Calculator?

Definition: This calculator estimates the weight of mild steel hollow pipes based on their dimensions and material density.

Purpose: It helps engineers, fabricators, and construction professionals determine pipe weight for structural calculations, transportation, and material planning.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ W = \frac{\rho \times \pi \times (OD^2 - ID^2) \times L}{4} \]

Where:

  • \( W \) — Pipe weight (kilograms)
  • \( \rho \) — Material density (kg/m³)
  • \( OD \) — Outer diameter (meters)
  • \( ID \) — Inner diameter (meters)
  • \( L \) — Pipe length (meters)

Explanation: The formula calculates the volume of the pipe wall (cross-sectional area × length) and multiplies by density to get weight.

3. Importance of Pipe Weight Calculation

Details: Accurate weight calculations are crucial for structural integrity, load-bearing capacity, transportation logistics, and cost estimation.

4. Using the Calculator

Tips: Enter material density (default 7850 kg/m³ for mild steel), outer diameter, inner diameter (must be less than OD), and length. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What's the typical density for mild steel?
A: Mild steel typically has a density of 7850 kg/m³ (7.85 g/cm³).

Q2: How do I measure pipe diameters?
A: Measure OD directly with calipers. ID can be measured directly or calculated as OD minus twice the wall thickness.

Q3: Can I use this for other materials?
A: Yes, just change the density value (e.g., 2700 kg/m³ for aluminum, 8960 kg/m³ for copper).

Q4: What if my pipe dimensions are in millimeters?
A: Convert to meters by dividing by 1000 before entering (e.g., 50mm = 0.050m).

Q5: How accurate is this calculation?
A: It's theoretically accurate for perfect cylinders. Real pipes may vary slightly due to manufacturing tolerances.

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