1. What is the Rectangle Tube Weight Formula?

The Rectangle Tube Weight Formula calculates the weight of rectangular hollow sections (RHS) based on their dimensions and material density. It's essential for engineering, construction, and material estimation.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( Perimeter \) — Total outer perimeter of the rectangle (m)
• \( T \) — Wall thickness (m)
• \( Length \) — Length of the tube (m)
• \( Density \) — Material density (kg/m³, default 7850 for steel)

Explanation: The formula calculates the cross-sectional area by considering the perimeter minus the corners (4T), then multiplies by thickness, length, and density to get total weight.

3. Importance of Weight Calculation

Details: Accurate weight calculation is crucial for structural design, transportation planning, cost estimation, and load-bearing capacity assessments in construction projects.

4. Using the Calculator

Tips: Enter all dimensions in meters. The default density is for steel (7850 kg/m³). For other materials, input the appropriate density (e.g., aluminum = 2700 kg/m³).

5. Frequently Asked Questions (FAQ)

Q1: How do I calculate perimeter for a rectangle tube?
A: Perimeter = 2 × (Width + Height) of the outer dimensions.

Q2: What's the typical density for common materials?
A: Steel: 7850 kg/m³, Aluminum: 2700 kg/m³, Stainless Steel: 7930 kg/m³, Copper: 8960 kg/m³.

Q3: Does this formula work for square tubes?
A: Yes, square tubes are a special case of rectangle tubes where width = height.

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

Q5: Can I use this for imperial units?
A: The formula works with any consistent units, but all inputs must be in the same unit system.