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GI Pipe Weight Calculator in kg

GI 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 GI Pipe Weight Calculator?

Definition: This calculator estimates the weight of Galvanized Iron (GI) pipes based on their dimensions and material density.

Purpose: It helps engineers, contractors, and fabricators determine pipe weight for transportation, structural calculations, and material estimation.

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 (annular area × length) and multiplies by density to get weight.

3. Importance of Pipe Weight Calculation

Details: Accurate weight calculations are essential for structural engineering, transportation logistics, and cost estimation in piping projects.

4. Using the Calculator

Tips: Enter the material density (default 7850 kg/m³ for steel), outer diameter, inner diameter (0 for solid bar), and length. All values must be positive with OD > ID.

5. Frequently Asked Questions (FAQ)

Q1: What's the typical density for GI pipes?
A: Standard density is 7850 kg/m³ for steel. For other materials, adjust accordingly (e.g., 2700 kg/m³ for aluminum).

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

Q3: What if my pipe is solid (no inner diameter)?
A: Set inner diameter to 0 to calculate solid bar weight.

Q4: Can I use this for non-circular pipes?
A: No, this formula is specifically for circular pipes. Different formulas apply for square or rectangular tubes.

Q5: How accurate is this calculation?
A: It provides theoretical weight. Actual weight may vary slightly due to manufacturing tolerances and coating thickness.

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