To run the Calculation of geometric and strength of hollow sections you must enter the steel tube sizes:

• The Section
• The Standard
• The Thickness (in mm – must be a numeric value, it can be a decimal value)
• If “Square” Section: enter the Side (in mm – must be a numeric value, it can be a decimal value)
• If “Rectangular” Section: enter the Base and the Height (both in mm – they must be a numeric values, thet ​​can be decimal)
• If “Circular” Section: enter the Diameter (in mm – must be a numeric value, it can be a decimal value)