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Stainless Steel Hollow Section Weight Calculator

Hollow Section Weight Formula:

\[ W = (D - T) \times T \times 4 \times L \times \rho \]

m
m
m
kg/m³

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1. What is a Stainless Steel Hollow Section Weight Calculator?

Definition: This calculator estimates the weight of stainless steel hollow sections (square or rectangular tubes) based on their dimensions and material density.

Purpose: It helps engineers, fabricators, and construction professionals determine the weight of hollow structural sections for design, transportation, and cost estimation.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ W = (D - T) \times T \times 4 \times L \times \rho \]

Where:

Explanation: The formula calculates the cross-sectional area of the steel walls (subtracting the hollow portion) and multiplies by length and density.

3. Importance of Accurate Weight Calculation

Details: Proper weight estimation ensures structural integrity, accurate material costing, and appropriate transportation planning.

4. Using the Calculator

Tips: Enter the outer dimension (width/height), wall thickness, length, and density (default 7930 kg/m³ for stainless steel). All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Why multiply by 4 in the formula?
A: The factor of 4 accounts for the four sides of a square or rectangular hollow section.

Q2: What's the typical density for stainless steel?
A: Most stainless steel has a density of about 7930 kg/m³, but this can vary slightly by alloy.

Q3: Does this work for circular hollow sections?
A: No, circular tubes require a different formula using π (pi) for the circumference.

Q4: How accurate is this calculation?
A: It provides theoretical weight; actual weight may vary slightly due to manufacturing tolerances.

Q5: Can I use this for other materials?
A: Yes, by changing the density value, but the formula is specifically for hollow sections.

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