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Square Hollow Pipe Weight Calculator

Square Hollow Pipe Weight Formula:

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

kg/m³
m
m
m

1. What is a Square Hollow Pipe Weight Calculator?

Definition: This calculator estimates the weight of square hollow pipes based on material density and pipe dimensions.

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

2. How Does the Calculator Work?

The calculator uses the formula:

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

Where:

  • \( W \) — Pipe weight (kilograms)
  • \( \rho \) — Material density (kg/m³)
  • \( a \) — Outer side length (meters)
  • \( b \) — Inner side length (meters)
  • \( L \) — Pipe length (meters)

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

3. Importance of Pipe Weight Calculation

Details: Accurate weight calculations are crucial for structural integrity, transportation planning, and cost estimation in construction projects.

4. Using the Calculator

Tips: Enter material density (default 7850 kg/m³ for steel), outer and inner dimensions in meters, and pipe length. All values must be positive with outer dimension > inner dimension.

5. Frequently Asked Questions (FAQ)

Q1: What's the typical density for steel pipes?
A: Mild steel density is typically 7850 kg/m³. For other materials: aluminum = 2700 kg/m³, stainless steel = 8000 kg/m³.

Q2: How do I measure the dimensions?
A: Measure outer width across one side, and inner width (if hollow). For solid pipes, enter 0 for inner dimension.

Q3: Can I use this for rectangular pipes?
A: No, this calculator is specifically for square pipes. For rectangular pipes, a different formula is needed.

Q4: How accurate is this calculation?
A: It provides theoretical weight. Actual weight may vary slightly due to manufacturing tolerances and material variations.

Q5: What if my pipe is in millimeters?
A: Convert all dimensions to meters before entering (divide mm values by 1000).

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