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MS ERW Pipe Weight Calculator

Pipe Weight Formula:

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

kg/m³
meters
meters
meters
kilograms

1. What is MS ERW Pipe Weight Calculator?

Definition: This calculator estimates the weight of Electric Resistance Welded (ERW) mild steel pipes based on their dimensions and material density.

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

  • \( W \) — Weight of pipe (kilograms)
  • \( \rho \) — Material density (kg/m³, default 7850 for mild steel)
  • \( OD \) — Outer diameter of pipe (meters)
  • \( ID \) — Inner diameter of pipe (meters)
  • \( L \) — Length of pipe (meters)

Explanation: The formula calculates the volume of the pipe wall material and multiplies it by the material density to get the weight.

3. Importance of Pipe Weight Calculation

Details: Accurate weight calculation is essential for structural engineering, transportation logistics, cost estimation, and load-bearing capacity assessments.

4. Using the Calculator

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

5. Frequently Asked Questions (FAQ)

Q1: What is the density of mild steel?
A: The standard density for mild steel is approximately 7850 kg/m³ (0.2836 lb/in³).

Q2: How do I measure pipe diameters?
A: Measure the outer diameter directly with calipers. Inner diameter can be calculated by subtracting twice the wall thickness from the OD.

Q3: What if my pipe is solid (no inner diameter)?
A: Set the inner diameter (ID) to 0 in the calculator.

Q4: Can I use this for other materials?
A: Yes, just change the density value to match your material (e.g., 2700 kg/m³ for aluminum).

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

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