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Steel Pipe Size and Weight Chart

Steel 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 Steel Pipe Weight Calculator?

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

Purpose: It helps engineers, construction professionals, and metalworkers determine pipe weights for structural calculations, shipping, 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)
  • \( \rho \) — Density of steel (kg/m³, default 7850)
  • \( OD \) — Outer diameter (meters)
  • \( ID \) — Inner diameter (meters)
  • \( L \) — Length of pipe (meters)

Explanation: The formula calculates the cross-sectional area of the pipe wall multiplied by length and density.

3. Importance of Pipe Weight Calculation

Details: Accurate weight calculations are essential for structural integrity assessments, transportation planning, and material cost estimation.

4. Using the Calculator

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

5. Frequently Asked Questions (FAQ)

Q1: What's the typical density for steel pipes?
A: Most carbon steel has a density of about 7850 kg/m³. Stainless steel is typically around 8000 kg/m³.

Q2: How do I calculate weight for a solid steel bar?
A: Set the inner diameter (ID) to 0 in the calculator.

Q3: Can I use this for non-steel pipes?
A: Yes, just change the density value to match your material (e.g., 2700 kg/m³ for aluminum).

Q4: What units should I use?
A: The calculator uses meters for dimensions. Convert from inches by multiplying by 0.0254.

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

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