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40mm Dia SS Pipe Weight per Meter

Pipe Weight Formula:

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

kg/m³
meters

1. What is 40mm SS Pipe Weight Calculator?

Definition: This calculator estimates the weight per meter of 40mm diameter stainless steel pipes based on material density and inner diameter.

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

2. How Does the Calculator Work?

The calculator uses the formula:

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

Where:

  • \( W \) — Weight per meter (kg/m)
  • \( \rho \) — Material density (kg/m³)
  • \( OD \) — Outer diameter (0.04 m fixed for 40mm pipe)
  • \( ID \) — Inner diameter (meters)

Explanation: The formula calculates the cross-sectional area of the pipe wall and multiplies by density to get weight per unit length.

3. Importance of Pipe Weight Calculation

Details: Knowing pipe weight is crucial for structural support design, transportation planning, and cost estimation in piping systems.

4. Using the Calculator

Tips:

  • Default density is for 304 stainless steel (7930 kg/m³)
  • Inner diameter must be less than 40mm (0.04m)
  • For schedule pipes, use standard ID values

5. Frequently Asked Questions (FAQ)

Q1: What's the typical density for stainless steel?
A: 304 stainless steel is about 7930 kg/m³, while 316 is about 8000 kg/m³.

Q2: How do I find the inner diameter?
A: Check pipe specifications or measure directly. For schedule pipes, refer to standard tables.

Q3: Can I use this for other pipe sizes?
A: This calculator is specifically for 40mm OD pipes. For other sizes, the OD value would need adjustment.

Q4: Why is weight per meter important?
A: It helps determine structural loads, shipping costs, and required support spacing in installations.

Q5: How accurate is this calculation?
A: It's theoretically accurate if precise measurements are used, but real-world variations in material density and dimensions may cause slight differences.

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